11y-31=7y+9

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Solution for 11y-31=7y+9 equation:


Simplifying
11y + -31 = 7y + 9

Reorder the terms:
-31 + 11y = 7y + 9

Reorder the terms:
-31 + 11y = 9 + 7y

Solving
-31 + 11y = 9 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-31 + 11y + -7y = 9 + 7y + -7y

Combine like terms: 11y + -7y = 4y
-31 + 4y = 9 + 7y + -7y

Combine like terms: 7y + -7y = 0
-31 + 4y = 9 + 0
-31 + 4y = 9

Add '31' to each side of the equation.
-31 + 31 + 4y = 9 + 31

Combine like terms: -31 + 31 = 0
0 + 4y = 9 + 31
4y = 9 + 31

Combine like terms: 9 + 31 = 40
4y = 40

Divide each side by '4'.
y = 10

Simplifying
y = 10

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