4y-8-7y=-20

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Solution for 4y-8-7y=-20 equation:


Simplifying
4y + -8 + -7y = -20

Reorder the terms:
-8 + 4y + -7y = -20

Combine like terms: 4y + -7y = -3y
-8 + -3y = -20

Solving
-8 + -3y = -20

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 + -3y = -20 + 8

Combine like terms: -8 + 8 = 0
0 + -3y = -20 + 8
-3y = -20 + 8

Combine like terms: -20 + 8 = -12
-3y = -12

Divide each side by '-3'.
y = 4

Simplifying
y = 4

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