1+9x=-7+x

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


Simplifying
1 + 9x = -7 + x

Solving
1 + 9x = -7 + x

Solving for variable 'x'.

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

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

Combine like terms: 9x + -1x = 8x
1 + 8x = -7 + x + -1x

Combine like terms: x + -1x = 0
1 + 8x = -7 + 0
1 + 8x = -7

Add '-1' to each side of the equation.
1 + -1 + 8x = -7 + -1

Combine like terms: 1 + -1 = 0
0 + 8x = -7 + -1
8x = -7 + -1

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

Divide each side by '8'.
x = -1

Simplifying
x = -1

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