2(-9+-2y)-4y=18

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Solution for 2(-9+-2y)-4y=18 equation:


Simplifying
2(-9 + -2y) + -4y = 18
(-9 * 2 + -2y * 2) + -4y = 18
(-18 + -4y) + -4y = 18

Combine like terms: -4y + -4y = -8y
-18 + -8y = 18

Solving
-18 + -8y = 18

Solving for variable 'y'.

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

Add '18' to each side of the equation.
-18 + 18 + -8y = 18 + 18

Combine like terms: -18 + 18 = 0
0 + -8y = 18 + 18
-8y = 18 + 18

Combine like terms: 18 + 18 = 36
-8y = 36

Divide each side by '-8'.
y = -4.5

Simplifying
y = -4.5

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