11y+42-2y=100-9y-22

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Solution for 11y+42-2y=100-9y-22 equation:


Simplifying
11y + 42 + -2y = 100 + -9y + -22

Reorder the terms:
42 + 11y + -2y = 100 + -9y + -22

Combine like terms: 11y + -2y = 9y
42 + 9y = 100 + -9y + -22

Reorder the terms:
42 + 9y = 100 + -22 + -9y

Combine like terms: 100 + -22 = 78
42 + 9y = 78 + -9y

Solving
42 + 9y = 78 + -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.
42 + 9y + 9y = 78 + -9y + 9y

Combine like terms: 9y + 9y = 18y
42 + 18y = 78 + -9y + 9y

Combine like terms: -9y + 9y = 0
42 + 18y = 78 + 0
42 + 18y = 78

Add '-42' to each side of the equation.
42 + -42 + 18y = 78 + -42

Combine like terms: 42 + -42 = 0
0 + 18y = 78 + -42
18y = 78 + -42

Combine like terms: 78 + -42 = 36
18y = 36

Divide each side by '18'.
y = 2

Simplifying
y = 2

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