7y-9=13y+45

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Solution for 7y-9=13y+45 equation:


Simplifying
7y + -9 = 13y + 45

Reorder the terms:
-9 + 7y = 13y + 45

Reorder the terms:
-9 + 7y = 45 + 13y

Solving
-9 + 7y = 45 + 13y

Solving for variable 'y'.

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

Add '-13y' to each side of the equation.
-9 + 7y + -13y = 45 + 13y + -13y

Combine like terms: 7y + -13y = -6y
-9 + -6y = 45 + 13y + -13y

Combine like terms: 13y + -13y = 0
-9 + -6y = 45 + 0
-9 + -6y = 45

Add '9' to each side of the equation.
-9 + 9 + -6y = 45 + 9

Combine like terms: -9 + 9 = 0
0 + -6y = 45 + 9
-6y = 45 + 9

Combine like terms: 45 + 9 = 54
-6y = 54

Divide each side by '-6'.
y = -9

Simplifying
y = -9

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