Mathematics, 19.03.2020 10:32, omar1511
Finish solving the system of equations 3x + 5y = β72 and 2x + 3y = β45 using the linear combination method.
Step 1: Create an equivalent system with opposite terms:
β2(3x + 5y = β72) β β6x β 10y = 144
3(2x + 3y = β45) β 6x + 9y = β135
Step 2: Add the equivalent system of equations to eliminate a variable: βy = 9
Step 3: Solve for the first unknown variable: y = β9
Step 4: Substitute the value of the first variable into one of the original equations: 2x + 3(β9) = β45
Step 5: Solve for the second unknown variable and write the solution as an ordered pair:
What is the solution to the system?
Answers: 3
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β q
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Finish solving the system of equations 3x + 5y = β72 and 2x + 3y = β45 using the linear combination...
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