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

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


Simplifying
7 + -4(5 + -2y) + 2y = 3y + -4(2 + -1y) + 7
7 + (5 * -4 + -2y * -4) + 2y = 3y + -4(2 + -1y) + 7
7 + (-20 + 8y) + 2y = 3y + -4(2 + -1y) + 7

Combine like terms: 7 + -20 = -13
-13 + 8y + 2y = 3y + -4(2 + -1y) + 7

Combine like terms: 8y + 2y = 10y
-13 + 10y = 3y + -4(2 + -1y) + 7
-13 + 10y = 3y + (2 * -4 + -1y * -4) + 7
-13 + 10y = 3y + (-8 + 4y) + 7

Reorder the terms:
-13 + 10y = -8 + 7 + 3y + 4y

Combine like terms: -8 + 7 = -1
-13 + 10y = -1 + 3y + 4y

Combine like terms: 3y + 4y = 7y
-13 + 10y = -1 + 7y

Solving
-13 + 10y = -1 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-13 + 10y + -7y = -1 + 7y + -7y

Combine like terms: 10y + -7y = 3y
-13 + 3y = -1 + 7y + -7y

Combine like terms: 7y + -7y = 0
-13 + 3y = -1 + 0
-13 + 3y = -1

Add '13' to each side of the equation.
-13 + 13 + 3y = -1 + 13

Combine like terms: -13 + 13 = 0
0 + 3y = -1 + 13
3y = -1 + 13

Combine like terms: -1 + 13 = 12
3y = 12

Divide each side by '3'.
y = 4

Simplifying
y = 4

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