7x+3+2x=2x-2(4x-9)

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Solution for 7x+3+2x=2x-2(4x-9) equation:


Simplifying
7x + 3 + 2x = 2x + -2(4x + -9)

Reorder the terms:
3 + 7x + 2x = 2x + -2(4x + -9)

Combine like terms: 7x + 2x = 9x
3 + 9x = 2x + -2(4x + -9)

Reorder the terms:
3 + 9x = 2x + -2(-9 + 4x)
3 + 9x = 2x + (-9 * -2 + 4x * -2)
3 + 9x = 2x + (18 + -8x)

Reorder the terms:
3 + 9x = 18 + 2x + -8x

Combine like terms: 2x + -8x = -6x
3 + 9x = 18 + -6x

Solving
3 + 9x = 18 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
3 + 9x + 6x = 18 + -6x + 6x

Combine like terms: 9x + 6x = 15x
3 + 15x = 18 + -6x + 6x

Combine like terms: -6x + 6x = 0
3 + 15x = 18 + 0
3 + 15x = 18

Add '-3' to each side of the equation.
3 + -3 + 15x = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 15x = 18 + -3
15x = 18 + -3

Combine like terms: 18 + -3 = 15
15x = 15

Divide each side by '15'.
x = 1

Simplifying
x = 1

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