3x-5-7x+4=20+2x-9

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Solution for 3x-5-7x+4=20+2x-9 equation:


Simplifying
3x + -5 + -7x + 4 = 20 + 2x + -9

Reorder the terms:
-5 + 4 + 3x + -7x = 20 + 2x + -9

Combine like terms: -5 + 4 = -1
-1 + 3x + -7x = 20 + 2x + -9

Combine like terms: 3x + -7x = -4x
-1 + -4x = 20 + 2x + -9

Reorder the terms:
-1 + -4x = 20 + -9 + 2x

Combine like terms: 20 + -9 = 11
-1 + -4x = 11 + 2x

Solving
-1 + -4x = 11 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-1 + -4x + -2x = 11 + 2x + -2x

Combine like terms: -4x + -2x = -6x
-1 + -6x = 11 + 2x + -2x

Combine like terms: 2x + -2x = 0
-1 + -6x = 11 + 0
-1 + -6x = 11

Add '1' to each side of the equation.
-1 + 1 + -6x = 11 + 1

Combine like terms: -1 + 1 = 0
0 + -6x = 11 + 1
-6x = 11 + 1

Combine like terms: 11 + 1 = 12
-6x = 12

Divide each side by '-6'.
x = -2

Simplifying
x = -2

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