-3-4y=15-7

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Solution for -3-4y=15-7 equation: 


Simplifying
-3 + -4y = 15 + -7

Combine like terms: 15 + -7 = 8
-3 + -4y = 8

Solving
-3 + -4y = 8

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + -4y = 8 + 3

Combine like terms: -3 + 3 = 0
0 + -4y = 8 + 3
-4y = 8 + 3

Combine like terms: 8 + 3 = 11
-4y = 11

Divide each side by '-4'.
y = -2.75

Simplifying
y = -2.75

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