2 years ago

Find the solution to the system of equations by substitution. 2x - 2y = - 6 y= 2x

Mathematics

1 answer:

dusya [7]2 years ago

7 0

Answer:

x = -2

y = 2

Step-by-step explanation:

Take the value of x from the first equation: x = 2 − 2 y ( 1 ) , and substitute for x into the second: y = 2 ( 2 − 2 y ) + 6 solve for y ; y = 4 − 4 y + 6 y = 10 5 = 2 Substitute back into ( 1 ) and find x : x = 2 − 4 = − 2

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