.7(12+y)=4

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Solution for .7(12+y)=4 equation: 


Simplifying
0.7(12 + y) = 4
(12 * 0.7 + y * 0.7) = 4
(8.4 + 0.7y) = 4

Solving
8.4 + 0.7y = 4

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 = 4 + -8.4

Combine like terms: 8.4 + -8.4 = 0.0
0.0 + 0.7y = 4 + -8.4
0.7y = 4 + -8.4

Combine like terms: 4 + -8.4 = -4.4
0.7y = -4.4

Divide each side by '0.7'.
y = -6.285714286

Simplifying
y = -6.285714286

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