(y+3)-(8y-9)=

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Solution for (y+3)-(8y-9)= equation:


Simplifying
(y + 3) + -1(8y + -9) = 0

Reorder the terms:
(3 + y) + -1(8y + -9) = 0

Remove parenthesis around (3 + y)
3 + y + -1(8y + -9) = 0

Reorder the terms:
3 + y + -1(-9 + 8y) = 0
3 + y + (-9 * -1 + 8y * -1) = 0
3 + y + (9 + -8y) = 0

Reorder the terms:
3 + 9 + y + -8y = 0

Combine like terms: 3 + 9 = 12
12 + y + -8y = 0

Combine like terms: y + -8y = -7y
12 + -7y = 0

Solving
12 + -7y = 0

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + -7y = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -7y = 0 + -12
-7y = 0 + -12

Combine like terms: 0 + -12 = -12
-7y = -12

Divide each side by '-7'.
y = 1.714285714

Simplifying
y = 1.714285714

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