2(4-y)+y=7

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Solution for 2(4-y)+y=7 equation: 


Simplifying
2(4 + -1y) + y = 7
(4 * 2 + -1y * 2) + y = 7
(8 + -2y) + y = 7

Combine like terms: -2y + y = -1y
8 + -1y = 7

Solving
8 + -1y = 7

Solving for variable 'y'.

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

Add '-8' to each side of the equation.
8 + -8 + -1y = 7 + -8

Combine like terms: 8 + -8 = 0
0 + -1y = 7 + -8
-1y = 7 + -8

Combine like terms: 7 + -8 = -1
-1y = -1

Divide each side by '-1'.
y = 1

Simplifying
y = 1

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