-3(7-3y)+4+2(4-5y)=5

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Solution for -3(7-3y)+4+2(4-5y)=5 equation: 


Simplifying
-3(7 + -3y) + 4 + 2(4 + -5y) = 5
(7 * -3 + -3y * -3) + 4 + 2(4 + -5y) = 5
(-21 + 9y) + 4 + 2(4 + -5y) = 5
-21 + 9y + 4 + (4 * 2 + -5y * 2) = 5
-21 + 9y + 4 + (8 + -10y) = 5

Reorder the terms:
-21 + 4 + 8 + 9y + -10y = 5

Combine like terms: -21 + 4 = -17
-17 + 8 + 9y + -10y = 5

Combine like terms: -17 + 8 = -9
-9 + 9y + -10y = 5

Combine like terms: 9y + -10y = -1y
-9 + -1y = 5

Solving
-9 + -1y = 5

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + -1y = 5 + 9

Combine like terms: -9 + 9 = 0
0 + -1y = 5 + 9
-1y = 5 + 9

Combine like terms: 5 + 9 = 14
-1y = 14

Divide each side by '-1'.
y = -14

Simplifying
y = -14

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