7=7(y+3)-5y

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


Simplifying
7 = 7(y + 3) + -5y

Reorder the terms:
7 = 7(3 + y) + -5y
7 = (3 * 7 + y * 7) + -5y
7 = (21 + 7y) + -5y

Combine like terms: 7y + -5y = 2y
7 = 21 + 2y

Solving
7 = 21 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
7 + -2y = 21 + 2y + -2y

Combine like terms: 2y + -2y = 0
7 + -2y = 21 + 0
7 + -2y = 21

Add '-7' to each side of the equation.
7 + -7 + -2y = 21 + -7

Combine like terms: 7 + -7 = 0
0 + -2y = 21 + -7
-2y = 21 + -7

Combine like terms: 21 + -7 = 14
-2y = 14

Divide each side by '-2'.
y = -7

Simplifying
y = -7

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