(2y+4)-(7y-9)=

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Solution for (2y+4)-(7y-9)= equation:


Simplifying
(2y + 4) + -1(7y + -9) = 0

Reorder the terms:
(4 + 2y) + -1(7y + -9) = 0

Remove parenthesis around (4 + 2y)
4 + 2y + -1(7y + -9) = 0

Reorder the terms:
4 + 2y + -1(-9 + 7y) = 0
4 + 2y + (-9 * -1 + 7y * -1) = 0
4 + 2y + (9 + -7y) = 0

Reorder the terms:
4 + 9 + 2y + -7y = 0

Combine like terms: 4 + 9 = 13
13 + 2y + -7y = 0

Combine like terms: 2y + -7y = -5y
13 + -5y = 0

Solving
13 + -5y = 0

Solving for variable 'y'.

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

Add '-13' to each side of the equation.
13 + -13 + -5y = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -5y = 0 + -13
-5y = 0 + -13

Combine like terms: 0 + -13 = -13
-5y = -13

Divide each side by '-5'.
y = 2.6

Simplifying
y = 2.6

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