8=3y-2+7y

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Solution for 8=3y-2+7y equation:


Simplifying
8 = 3y + -2 + 7y

Reorder the terms:
8 = -2 + 3y + 7y

Combine like terms: 3y + 7y = 10y
8 = -2 + 10y

Solving
8 = -2 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
8 + -10y = -2 + 10y + -10y

Combine like terms: 10y + -10y = 0
8 + -10y = -2 + 0
8 + -10y = -2

Add '-8' to each side of the equation.
8 + -8 + -10y = -2 + -8

Combine like terms: 8 + -8 = 0
0 + -10y = -2 + -8
-10y = -2 + -8

Combine like terms: -2 + -8 = -10
-10y = -10

Divide each side by '-10'.
y = 1

Simplifying
y = 1

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