-3(2y-5)+7(y-2)=9-9

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Solution for -3(2y-5)+7(y-2)=9-9 equation:


Simplifying
-3(2y + -5) + 7(y + -2) = 9 + -9

Reorder the terms:
-3(-5 + 2y) + 7(y + -2) = 9 + -9
(-5 * -3 + 2y * -3) + 7(y + -2) = 9 + -9
(15 + -6y) + 7(y + -2) = 9 + -9

Reorder the terms:
15 + -6y + 7(-2 + y) = 9 + -9
15 + -6y + (-2 * 7 + y * 7) = 9 + -9
15 + -6y + (-14 + 7y) = 9 + -9

Reorder the terms:
15 + -14 + -6y + 7y = 9 + -9

Combine like terms: 15 + -14 = 1
1 + -6y + 7y = 9 + -9

Combine like terms: -6y + 7y = 1y
1 + 1y = 9 + -9

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

Solving
1 + 1y = 0

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + 1y = 0 + -1

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

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

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

Simplifying
y = -1

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