12y-20=7y+45

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Solution for 12y-20=7y+45 equation:


Simplifying
12y + -20 = 7y + 45

Reorder the terms:
-20 + 12y = 7y + 45

Reorder the terms:
-20 + 12y = 45 + 7y

Solving
-20 + 12y = 45 + 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.
-20 + 12y + -7y = 45 + 7y + -7y

Combine like terms: 12y + -7y = 5y
-20 + 5y = 45 + 7y + -7y

Combine like terms: 7y + -7y = 0
-20 + 5y = 45 + 0
-20 + 5y = 45

Add '20' to each side of the equation.
-20 + 20 + 5y = 45 + 20

Combine like terms: -20 + 20 = 0
0 + 5y = 45 + 20
5y = 45 + 20

Combine like terms: 45 + 20 = 65
5y = 65

Divide each side by '5'.
y = 13

Simplifying
y = 13

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