7y-4=9y+2

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Solution for 7y-4=9y+2 equation:


Simplifying
7y + -4 = 9y + 2

Reorder the terms:
-4 + 7y = 9y + 2

Reorder the terms:
-4 + 7y = 2 + 9y

Solving
-4 + 7y = 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.
-4 + 7y + -9y = 2 + 9y + -9y

Combine like terms: 7y + -9y = -2y
-4 + -2y = 2 + 9y + -9y

Combine like terms: 9y + -9y = 0
-4 + -2y = 2 + 0
-4 + -2y = 2

Add '4' to each side of the equation.
-4 + 4 + -2y = 2 + 4

Combine like terms: -4 + 4 = 0
0 + -2y = 2 + 4
-2y = 2 + 4

Combine like terms: 2 + 4 = 6
-2y = 6

Divide each side by '-2'.
y = -3

Simplifying
y = -3

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