7y-9=10y+3

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


Simplifying
7y + -9 = 10y + 3

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

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

Solving
-9 + 7y = 3 + 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.
-9 + 7y + -10y = 3 + 10y + -10y

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

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

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

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

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

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

Simplifying
y = -4

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