x-3-3x=20-6x-7

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Solution for x-3-3x=20-6x-7 equation:


Simplifying
x + -3 + -3x = 20 + -6x + -7

Reorder the terms:
-3 + x + -3x = 20 + -6x + -7

Combine like terms: x + -3x = -2x
-3 + -2x = 20 + -6x + -7

Reorder the terms:
-3 + -2x = 20 + -7 + -6x

Combine like terms: 20 + -7 = 13
-3 + -2x = 13 + -6x

Solving
-3 + -2x = 13 + -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 + -2x + 6x = 13 + -6x + 6x

Combine like terms: -2x + 6x = 4x
-3 + 4x = 13 + -6x + 6x

Combine like terms: -6x + 6x = 0
-3 + 4x = 13 + 0
-3 + 4x = 13

Add '3' to each side of the equation.
-3 + 3 + 4x = 13 + 3

Combine like terms: -3 + 3 = 0
0 + 4x = 13 + 3
4x = 13 + 3

Combine like terms: 13 + 3 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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