84+7y=70

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Solution for 84+7y=70 equation: 


Simplifying
84 + 7y = 70

Solving
84 + 7y = 70

Solving for variable 'y'.

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

Add '-84' to each side of the equation.
84 + -84 + 7y = 70 + -84

Combine like terms: 84 + -84 = 0
0 + 7y = 70 + -84
7y = 70 + -84

Combine like terms: 70 + -84 = -14
7y = -14

Divide each side by '7'.
y = -2

Simplifying
y = -2

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