.7(12+y)=x

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Solution for .7(12+y)=x equation: 


Simplifying
0.7(12 + y) = x
(12 * 0.7 + y * 0.7) = x
(8.4 + 0.7y) = x

Solving
8.4 + 0.7y = x

Solving for variable 'y'.

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

Add '-8.4' to each side of the equation.
8.4 + -8.4 + 0.7y = -8.4 + x

Combine like terms: 8.4 + -8.4 = 0.0
0.0 + 0.7y = -8.4 + x
0.7y = -8.4 + x

Divide each side by '0.7'.
y = -12 + 1.428571429x

Simplifying
y = -12 + 1.428571429x

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