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Mathematics, 28.01.2020 23:09, jennysantoyo13
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a system of equations is shown below:
n = 3m + 7
n β 2m = 1
what is the solution, in the form (m, n), to the system of equations?
(3, 7)
(1, 8)
(β3, β2)
(β6, β11)
which statement is true about the solutions for the equation 4y + 6 = β2?
it has infinitely many solutions.
it has two solutions.
it has one solution.
it has no solution.
the system of equations shown below is graphed on a coordinate grid:
3y + x = 4
2y β x = 6
which statement is true about the coordinates of the point that is the solution to the system of equations?
it is (β2, 2) and lies on both lines.
it is (β5, 3) and lies on both lines.
it is (β5, 3) and does not lie on either line.
it is (β2, 2) and does not lie on either line.
what is the value of z in the equation 2z + 6 = β4?
5
1
β1
β5
which statement is true for the equation 2x β 2x β 7 = β7?
it has infinitely many solutions.
it has two solutions.
it has one solution.
it has no solution.
the incomplete work of a student to solve an equation is shown below:
step 1: 4x + 12 = 4
step 2: ?
step 3: x = β8 Γ· 4
step 4: x = β2
what is the missing step 2?
4x = 8
4x = 16
4x = β16
4x = β8
which set of steps shows the solution to the equation 2y = β8?
y = β8 β 2; y = 6
y = β8 Γ· (β2); y = 4
y = β8 Γ· 2; y = β4
y = β8 β (β2); y = β6
a system of two equations is shown below:
equation c: a = 3b + 6
equation d: a = 7b β 1
what value of a can be substituted into equation d to solve the system of equations?
3b
7b
3b + 6
7b β 1
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Answers: 3
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a system of equations is shown below:
n = 3m + 7
...
a system of equations is shown below:
n = 3m + 7
...
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