7x-1=9x+7

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


Simplifying
7x + -1 = 9x + 7

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

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

Solving
-1 + 7x = 7 + 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.
-1 + 7x + -9x = 7 + 9x + -9x

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

Combine like terms: 9x + -9x = 0
-1 + -2x = 7 + 0
-1 + -2x = 7

Add '1' to each side of the equation.
-1 + 1 + -2x = 7 + 1

Combine like terms: -1 + 1 = 0
0 + -2x = 7 + 1
-2x = 7 + 1

Combine like terms: 7 + 1 = 8
-2x = 8

Divide each side by '-2'.
x = -4

Simplifying
x = -4

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