10y-7-3y=84

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Solution for 10y-7-3y=84 equation:


Simplifying
10y + -7 + -3y = 84

Reorder the terms:
-7 + 10y + -3y = 84

Combine like terms: 10y + -3y = 7y
-7 + 7y = 84

Solving
-7 + 7y = 84

Solving for variable 'y'.

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

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

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

Combine like terms: 84 + 7 = 91
7y = 91

Divide each side by '7'.
y = 13

Simplifying
y = 13

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