4x+9-7x=-9

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


Simplifying
4x + 9 + -7x = -9

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

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

Solving
9 + -3x = -9

Solving for variable 'x'.

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

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

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

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

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

Simplifying
x = 6

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