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

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


Simplifying
(9y + 2) + -1(5y + -7) = 0

Reorder the terms:
(2 + 9y) + -1(5y + -7) = 0

Remove parenthesis around (2 + 9y)
2 + 9y + -1(5y + -7) = 0

Reorder the terms:
2 + 9y + -1(-7 + 5y) = 0
2 + 9y + (-7 * -1 + 5y * -1) = 0
2 + 9y + (7 + -5y) = 0

Reorder the terms:
2 + 7 + 9y + -5y = 0

Combine like terms: 2 + 7 = 9
9 + 9y + -5y = 0

Combine like terms: 9y + -5y = 4y
9 + 4y = 0

Solving
9 + 4y = 0

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 + 4y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 4y = 0 + -9
4y = 0 + -9

Combine like terms: 0 + -9 = -9
4y = -9

Divide each side by '4'.
y = -2.25

Simplifying
y = -2.25

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