-3y-7y+4=64

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Solution for -3y-7y+4=64 equation:


Simplifying
-3y + -7y + 4 = 64

Reorder the terms:
4 + -3y + -7y = 64

Combine like terms: -3y + -7y = -10y
4 + -10y = 64

Solving
4 + -10y = 64

Solving for variable 'y'.

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

Add '-4' to each side of the equation.
4 + -4 + -10y = 64 + -4

Combine like terms: 4 + -4 = 0
0 + -10y = 64 + -4
-10y = 64 + -4

Combine like terms: 64 + -4 = 60
-10y = 60

Divide each side by '-10'.
y = -6

Simplifying
y = -6

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