.2(62.5+-.75y)+7y=40

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Solution for .2(62.5+-.75y)+7y=40 equation: 


Simplifying
0.2(62.5 + -0.75y) + 7y = 40
(62.5 * 0.2 + -0.75y * 0.2) + 7y = 40
(12.5 + -0.15y) + 7y = 40

Combine like terms: -0.15y + 7y = 6.85y
12.5 + 6.85y = 40

Solving
12.5 + 6.85y = 40

Solving for variable 'y'.

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

Add '-12.5' to each side of the equation.
12.5 + -12.5 + 6.85y = 40 + -12.5

Combine like terms: 12.5 + -12.5 = 0.0
0.0 + 6.85y = 40 + -12.5
6.85y = 40 + -12.5

Combine like terms: 40 + -12.5 = 27.5
6.85y = 27.5

Divide each side by '6.85'.
y = 4.01459854

Simplifying
y = 4.01459854

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