3y-7=9y+2

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Solution for 3y-7=9y+2 equation:


Simplifying
3y + -7 = 9y + 2

Reorder the terms:
-7 + 3y = 9y + 2

Reorder the terms:
-7 + 3y = 2 + 9y

Solving
-7 + 3y = 2 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
-7 + 3y + -9y = 2 + 9y + -9y

Combine like terms: 3y + -9y = -6y
-7 + -6y = 2 + 9y + -9y

Combine like terms: 9y + -9y = 0
-7 + -6y = 2 + 0
-7 + -6y = 2

Add '7' to each side of the equation.
-7 + 7 + -6y = 2 + 7

Combine like terms: -7 + 7 = 0
0 + -6y = 2 + 7
-6y = 2 + 7

Combine like terms: 2 + 7 = 9
-6y = 9

Divide each side by '-6'.
y = -1.5

Simplifying
y = -1.5

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