9x-1+11x=7(11+x)

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Solution for 9x-1+11x=7(11+x) equation:


Simplifying
9x + -1 + 11x = 7(11 + x)

Reorder the terms:
-1 + 9x + 11x = 7(11 + x)

Combine like terms: 9x + 11x = 20x
-1 + 20x = 7(11 + x)
-1 + 20x = (11 * 7 + x * 7)
-1 + 20x = (77 + 7x)

Solving
-1 + 20x = 77 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-1 + 20x + -7x = 77 + 7x + -7x

Combine like terms: 20x + -7x = 13x
-1 + 13x = 77 + 7x + -7x

Combine like terms: 7x + -7x = 0
-1 + 13x = 77 + 0
-1 + 13x = 77

Add '1' to each side of the equation.
-1 + 1 + 13x = 77 + 1

Combine like terms: -1 + 1 = 0
0 + 13x = 77 + 1
13x = 77 + 1

Combine like terms: 77 + 1 = 78
13x = 78

Divide each side by '13'.
x = 6

Simplifying
x = 6

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