4y+9-7y=-9

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


Simplifying
4y + 9 + -7y = -9

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

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

Solving
9 + -3y = -9

Solving for variable 'y'.

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

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

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

Combine like terms: -9 + -9 = -18
-3y = -18

Divide each side by '-3'.
y = 6

Simplifying
y = 6

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