13=x+x+2x-3

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Solution for 13=x+x+2x-3 equation:


Simplifying
13 = x + x + 2x + -3

Reorder the terms:
13 = -3 + x + x + 2x

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

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

Solving
13 = -3 + 4x

Solving for variable 'x'.

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

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

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

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

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

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

Divide each side by '-4'.
x = 4

Simplifying
x = 4

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