Question

Solve the systems using substitution.

6x + 2y = 0
4x + y = -1

3x + 2y = -4
x + 2y = -8

5x - 4y = 14
x - 2y = -2

x + 3y = -4
4x + 5y = 5

x + 3y = -5
2x - y = 18

Answer 1

ok get one of the variables by itself

Answer 2

then plug it into the other equation

Answer 3

did i help

Answer 4

how would num 2 look???

Answer 5

what about 3

Answer 6

then 4 and 5

Answer 7

mathway.com

Answer 8

help laws of exponents

(-mn8)2
(3x3y)2(-4x2y4)3
10 times x to the 4th power times y squared all divided by -5 x to the 3rd times y squared. The entire quantity is raised to the 3rd power.

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