7-8x=9(1+7x)

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Solution for 7-8x=9(1+7x) equation:


Simplifying
7 + -8x = 9(1 + 7x)
7 + -8x = (1 * 9 + 7x * 9)
7 + -8x = (9 + 63x)

Solving
7 + -8x = 9 + 63x

Solving for variable 'x'.

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

Add '-63x' to each side of the equation.
7 + -8x + -63x = 9 + 63x + -63x

Combine like terms: -8x + -63x = -71x
7 + -71x = 9 + 63x + -63x

Combine like terms: 63x + -63x = 0
7 + -71x = 9 + 0
7 + -71x = 9

Add '-7' to each side of the equation.
7 + -7 + -71x = 9 + -7

Combine like terms: 7 + -7 = 0
0 + -71x = 9 + -7
-71x = 9 + -7

Combine like terms: 9 + -7 = 2
-71x = 2

Divide each side by '-71'.
x = -0.02816901408

Simplifying
x = -0.02816901408

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