9y+3=13y+7

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Solution for 9y+3=13y+7 equation:


Simplifying
9y + 3 = 13y + 7

Reorder the terms:
3 + 9y = 13y + 7

Reorder the terms:
3 + 9y = 7 + 13y

Solving
3 + 9y = 7 + 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.
3 + 9y + -13y = 7 + 13y + -13y

Combine like terms: 9y + -13y = -4y
3 + -4y = 7 + 13y + -13y

Combine like terms: 13y + -13y = 0
3 + -4y = 7 + 0
3 + -4y = 7

Add '-3' to each side of the equation.
3 + -3 + -4y = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -4y = 7 + -3
-4y = 7 + -3

Combine like terms: 7 + -3 = 4
-4y = 4

Divide each side by '-4'.
y = -1

Simplifying
y = -1

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