-3y+4=7y+8

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


Simplifying
-3y + 4 = 7y + 8

Reorder the terms:
4 + -3y = 7y + 8

Reorder the terms:
4 + -3y = 8 + 7y

Solving
4 + -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.
4 + -3y + -7y = 8 + 7y + -7y

Combine like terms: -3y + -7y = -10y
4 + -10y = 8 + 7y + -7y

Combine like terms: 7y + -7y = 0
4 + -10y = 8 + 0
4 + -10y = 8

Add '-4' to each side of the equation.
4 + -4 + -10y = 8 + -4

Combine like terms: 4 + -4 = 0
0 + -10y = 8 + -4
-10y = 8 + -4

Combine like terms: 8 + -4 = 4
-10y = 4

Divide each side by '-10'.
y = -0.4

Simplifying
y = -0.4

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