-3(y+4)=7y+8

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Solution for -3(y+4)=7y+8 equation:


Simplifying
-3(y + 4) = 7y + 8

Reorder the terms:
-3(4 + y) = 7y + 8
(4 * -3 + y * -3) = 7y + 8
(-12 + -3y) = 7y + 8

Reorder the terms:
-12 + -3y = 8 + 7y

Solving
-12 + -3y = 8 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-12 + -3y + -7y = 8 + 7y + -7y

Combine like terms: -3y + -7y = -10y
-12 + -10y = 8 + 7y + -7y

Combine like terms: 7y + -7y = 0
-12 + -10y = 8 + 0
-12 + -10y = 8

Add '12' to each side of the equation.
-12 + 12 + -10y = 8 + 12

Combine like terms: -12 + 12 = 0
0 + -10y = 8 + 12
-10y = 8 + 12

Combine like terms: 8 + 12 = 20
-10y = 20

Divide each side by '-10'.
y = -2

Simplifying
y = -2

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