7y-3=10y+9

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Solution for 7y-3=10y+9 equation:


Simplifying
7y + -3 = 10y + 9

Reorder the terms:
-3 + 7y = 10y + 9

Reorder the terms:
-3 + 7y = 9 + 10y

Solving
-3 + 7y = 9 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
-3 + 7y + -10y = 9 + 10y + -10y

Combine like terms: 7y + -10y = -3y
-3 + -3y = 9 + 10y + -10y

Combine like terms: 10y + -10y = 0
-3 + -3y = 9 + 0
-3 + -3y = 9

Add '3' to each side of the equation.
-3 + 3 + -3y = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -3y = 9 + 3
-3y = 9 + 3

Combine like terms: 9 + 3 = 12
-3y = 12

Divide each side by '-3'.
y = -4

Simplifying
y = -4

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