13(x+3)=10x+20

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Solution for 13(x+3)=10x+20 equation:


Simplifying
13(x + 3) = 10x + 20

Reorder the terms:
13(3 + x) = 10x + 20
(3 * 13 + x * 13) = 10x + 20
(39 + 13x) = 10x + 20

Reorder the terms:
39 + 13x = 20 + 10x

Solving
39 + 13x = 20 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
39 + 13x + -10x = 20 + 10x + -10x

Combine like terms: 13x + -10x = 3x
39 + 3x = 20 + 10x + -10x

Combine like terms: 10x + -10x = 0
39 + 3x = 20 + 0
39 + 3x = 20

Add '-39' to each side of the equation.
39 + -39 + 3x = 20 + -39

Combine like terms: 39 + -39 = 0
0 + 3x = 20 + -39
3x = 20 + -39

Combine like terms: 20 + -39 = -19
3x = -19

Divide each side by '3'.
x = -6.333333333

Simplifying
x = -6.333333333

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