3y+8=8y-13

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


Simplifying
3y + 8 = 8y + -13

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

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

Solving
8 + 3y = -13 + 8y

Solving for variable 'y'.

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

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

Combine like terms: 3y + -8y = -5y
8 + -5y = -13 + 8y + -8y

Combine like terms: 8y + -8y = 0
8 + -5y = -13 + 0
8 + -5y = -13

Add '-8' to each side of the equation.
8 + -8 + -5y = -13 + -8

Combine like terms: 8 + -8 = 0
0 + -5y = -13 + -8
-5y = -13 + -8

Combine like terms: -13 + -8 = -21
-5y = -21

Divide each side by '-5'.
y = 4.2

Simplifying
y = 4.2

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