Question

Solve the system by substitution.
y = 8x
y = 10x - 4
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Answer 1

x=1, y=8

Explanation:

Plug y=8x into y=10x-4.

8x=10x-4

Subtract 10x from each side.

-2x=-2

Divide each side by -2.

x=1

Plug x=1 into y=8x.

y=8(1)

y=8