7y-8-3y=40

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Solution for 7y-8-3y=40 equation:


Simplifying
7y + -8 + -3y = 40

Reorder the terms:
-8 + 7y + -3y = 40

Combine like terms: 7y + -3y = 4y
-8 + 4y = 40

Solving
-8 + 4y = 40

Solving for variable 'y'.

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

Add '8' to each side of the equation.
-8 + 8 + 4y = 40 + 8

Combine like terms: -8 + 8 = 0
0 + 4y = 40 + 8
4y = 40 + 8

Combine like terms: 40 + 8 = 48
4y = 48

Divide each side by '4'.
y = 12

Simplifying
y = 12

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