7x+9=9x-1

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Solution for 7x+9=9x-1 equation:


Simplifying
7x + 9 = 9x + -1

Reorder the terms:
9 + 7x = 9x + -1

Reorder the terms:
9 + 7x = -1 + 9x

Solving
9 + 7x = -1 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
9 + 7x + -9x = -1 + 9x + -9x

Combine like terms: 7x + -9x = -2x
9 + -2x = -1 + 9x + -9x

Combine like terms: 9x + -9x = 0
9 + -2x = -1 + 0
9 + -2x = -1

Add '-9' to each side of the equation.
9 + -9 + -2x = -1 + -9

Combine like terms: 9 + -9 = 0
0 + -2x = -1 + -9
-2x = -1 + -9

Combine like terms: -1 + -9 = -10
-2x = -10

Divide each side by '-2'.
x = 5

Simplifying
x = 5

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