Mathematics

Mathematics, 24.08.2019 22:50, MallB7168

The elimination method is useful when you can eliminate one of the variable terms from an equation by adding or subtracting another equation. true or false

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Mathematics, 29.06.2019 12:20, gonzmari457

Summary of methods to solve systems method equal values this method is most efficient when both equations in form example substitution -2x + one variable is alone on one side of one equation equations in standard form with opposite coeficients. x + 2y = 21 36 27 elimination: add to eliminate one variable. elimination: multiply one equation to eliminate one variable elimination: multiply both equations to eliminate one variable. equations in standard form. to eliminate multiplied to create opposite terms one equation can be 3.6+2y7 when nothing else works. in this case you could multiply the first equation by 3 and the second equation by-2. then add to eliminate the opposite terms. 3x + 2y = 7 problems 1 2x + y = 6 -2x + y = 2 2 -3x+ y0 -6x + 5y = -10 3. 2x - 3y = -9 x -2 4 y-x=4 2y+x=8 5. 2x - y = 4 6. 4x - 4y=14 2x - 4y - 8 7. 6x – 2y = -16 4.x+y=1 8. 6x - y = 4 6x + 3y = -16 9. 2x - 2y = 5 2x - 3y = 3

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Mathematics, 11.07.2019 09:30, makonfaknk

The algebraic process you use to isolate a variable in order to find what values, numbers, etc. will make an equation true. you the equation. example: this can be done by factoring, adding or subtracting like terms, etc

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Mathematics, 19.07.2019 04:10, nini0372

Steps for solving 3x + 18 = 54 are shown. explain how step 1 solve the equation. 3x+18 = 54 3x + 18-18 = 54 -18 3x = 36 3x_36 33 x = 12 original equation step 1 step 2 step 3 step 4 ) a. adding 18 to both sides undoes the subtraction. o b. adding 18 to both sides combines like terms. o c. subtracting 18 from both sides isolates the variable term. o d. subtracting 18 from both sides isolates the variable.

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Mathematics, 13.10.2019 07:00, mojr1000

Which of the following best describes when the elimination method of solving systems of equations is most useful? a. the elimination method is most useful when adding the equations cancels out both x- and y-variables simultaneously. b. the elimination method is most useful when you can eliminate one of the variable terms from an equation by adding or subtracting another equation. c. the elimination method is most useful when the answer is zero. d. the elimination method is most useful when one equation can be substituted into the other.

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