9x-(7x+1)=8-(3x-9)

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Solution for 9x-(7x+1)=8-(3x-9) equation:


Simplifying
9x + -1(7x + 1) = 8 + -1(3x + -9)

Reorder the terms:
9x + -1(1 + 7x) = 8 + -1(3x + -9)
9x + (1 * -1 + 7x * -1) = 8 + -1(3x + -9)
9x + (-1 + -7x) = 8 + -1(3x + -9)

Reorder the terms:
-1 + 9x + -7x = 8 + -1(3x + -9)

Combine like terms: 9x + -7x = 2x
-1 + 2x = 8 + -1(3x + -9)

Reorder the terms:
-1 + 2x = 8 + -1(-9 + 3x)
-1 + 2x = 8 + (-9 * -1 + 3x * -1)
-1 + 2x = 8 + (9 + -3x)

Combine like terms: 8 + 9 = 17
-1 + 2x = 17 + -3x

Solving
-1 + 2x = 17 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-1 + 2x + 3x = 17 + -3x + 3x

Combine like terms: 2x + 3x = 5x
-1 + 5x = 17 + -3x + 3x

Combine like terms: -3x + 3x = 0
-1 + 5x = 17 + 0
-1 + 5x = 17

Add '1' to each side of the equation.
-1 + 1 + 5x = 17 + 1

Combine like terms: -1 + 1 = 0
0 + 5x = 17 + 1
5x = 17 + 1

Combine like terms: 17 + 1 = 18
5x = 18

Divide each side by '5'.
x = 3.6

Simplifying
x = 3.6

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