3y-10y=20-13

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Solution for 3y-10y=20-13 equation: 


Simplifying
3y + -10y = 20 + -13

Combine like terms: 3y + -10y = -7y
-7y = 20 + -13

Combine like terms: 20 + -13 = 7
-7y = 7

Solving
-7y = 7

Solving for variable 'y'.

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

Divide each side by '-7'.
y = -1

Simplifying
y = -1

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