4-17=8y-7y+8

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Solution for 4-17=8y-7y+8 equation:


Simplifying
4 + -17 = 8y + -7y + 8

Combine like terms: 4 + -17 = -13
-13 = 8y + -7y + 8

Reorder the terms:
-13 = 8 + 8y + -7y

Combine like terms: 8y + -7y = 1y
-13 = 8 + 1y

Solving
-13 = 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.
-13 + -1y = 8 + 1y + -1y

Combine like terms: 1y + -1y = 0
-13 + -1y = 8 + 0
-13 + -1y = 8

Add '13' to each side of the equation.
-13 + 13 + -1y = 8 + 13

Combine like terms: -13 + 13 = 0
0 + -1y = 8 + 13
-1y = 8 + 13

Combine like terms: 8 + 13 = 21
-1y = 21

Divide each side by '-1'.
y = -21

Simplifying
y = -21

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