13x+21=3x+311

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Solution for 13x+21=3x+311 equation:


Simplifying
13x + 21 = 3x + 311

Reorder the terms:
21 + 13x = 3x + 311

Reorder the terms:
21 + 13x = 311 + 3x

Solving
21 + 13x = 311 + 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.
21 + 13x + -3x = 311 + 3x + -3x

Combine like terms: 13x + -3x = 10x
21 + 10x = 311 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + 10x = 311 + 0
21 + 10x = 311

Add '-21' to each side of the equation.
21 + -21 + 10x = 311 + -21

Combine like terms: 21 + -21 = 0
0 + 10x = 311 + -21
10x = 311 + -21

Combine like terms: 311 + -21 = 290
10x = 290

Divide each side by '10'.
x = 29

Simplifying
x = 29

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