-3y-8=4y+13

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Solution for -3y-8=4y+13 equation:


Simplifying
-3y + -8 = 4y + 13

Reorder the terms:
-8 + -3y = 4y + 13

Reorder the terms:
-8 + -3y = 13 + 4y

Solving
-8 + -3y = 13 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
-8 + -3y + -4y = 13 + 4y + -4y

Combine like terms: -3y + -4y = -7y
-8 + -7y = 13 + 4y + -4y

Combine like terms: 4y + -4y = 0
-8 + -7y = 13 + 0
-8 + -7y = 13

Add '8' to each side of the equation.
-8 + 8 + -7y = 13 + 8

Combine like terms: -8 + 8 = 0
0 + -7y = 13 + 8
-7y = 13 + 8

Combine like terms: 13 + 8 = 21
-7y = 21

Divide each side by '-7'.
y = -3

Simplifying
y = -3

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