117-99=38y-47y

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Solution for 117-99=38y-47y equation:


Simplifying
117 + -99 = 38y + -47y

Combine like terms: 117 + -99 = 18
18 = 38y + -47y

Combine like terms: 38y + -47y = -9y
18 = -9y

Solving
18 = -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
18 + 9y = -9y + 9y

Combine like terms: -9y + 9y = 0
18 + 9y = 0

Add '-18' to each side of the equation.
18 + -18 + 9y = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 9y = 0 + -18
9y = 0 + -18

Combine like terms: 0 + -18 = -18
9y = -18

Divide each side by '9'.
y = -2

Simplifying
y = -2

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