7x+1=9x-9

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


Simplifying
7x + 1 = 9x + -9

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

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

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

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

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

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

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

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

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

Simplifying
x = 5

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