-7+2=10y-7-9y

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Solution for -7+2=10y-7-9y equation:


Simplifying
-7 + 2 = 10y + -7 + -9y

Combine like terms: -7 + 2 = -5
-5 = 10y + -7 + -9y

Reorder the terms:
-5 = -7 + 10y + -9y

Combine like terms: 10y + -9y = 1y
-5 = -7 + 1y

Solving
-5 = -7 + 1y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-5 + -1y = -7 + 1y + -1y

Combine like terms: 1y + -1y = 0
-5 + -1y = -7 + 0
-5 + -1y = -7

Add '5' to each side of the equation.
-5 + 5 + -1y = -7 + 5

Combine like terms: -5 + 5 = 0
0 + -1y = -7 + 5
-1y = -7 + 5

Combine like terms: -7 + 5 = -2
-1y = -2

Divide each side by '-1'.
y = 2

Simplifying
y = 2

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