4-7=8y-7y+8

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Solution for 4-7=8y-7y+8 equation:


Simplifying
4 + -7 = 8y + -7y + 8

Combine like terms: 4 + -7 = -3
-3 = 8y + -7y + 8

Reorder the terms:
-3 = 8 + 8y + -7y

Combine like terms: 8y + -7y = 1y
-3 = 8 + 1y

Solving
-3 = 8 + 1y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-1y' to each side of the equation.
-3 + -1y = 8 + 1y + -1y

Combine like terms: 1y + -1y = 0
-3 + -1y = 8 + 0
-3 + -1y = 8

Add '3' to each side of the equation.
-3 + 3 + -1y = 8 + 3

Combine like terms: -3 + 3 = 0
0 + -1y = 8 + 3
-1y = 8 + 3

Combine like terms: 8 + 3 = 11
-1y = 11

Divide each side by '-1'.
y = -11

Simplifying
y = -11

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