(8-7y)-(15+9y)=

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Solution for (8-7y)-(15+9y)= equation:


Simplifying
(8 + -7y) + -1(15 + 9y) = 0

Remove parenthesis around (8 + -7y)
8 + -7y + -1(15 + 9y) = 0
8 + -7y + (15 * -1 + 9y * -1) = 0
8 + -7y + (-15 + -9y) = 0

Reorder the terms:
8 + -15 + -7y + -9y = 0

Combine like terms: 8 + -15 = -7
-7 + -7y + -9y = 0

Combine like terms: -7y + -9y = -16y
-7 + -16y = 0

Solving
-7 + -16y = 0

Solving for variable 'y'.

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

Add '7' to each side of the equation.
-7 + 7 + -16y = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -16y = 0 + 7
-16y = 0 + 7

Combine like terms: 0 + 7 = 7
-16y = 7

Divide each side by '-16'.
y = -0.4375

Simplifying
y = -0.4375

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