3(x+5)+x=13

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Solution for 3(x+5)+x=13 equation:


Simplifying
3(x + 5) + x = 13

Reorder the terms:
3(5 + x) + x = 13
(5 * 3 + x * 3) + x = 13
(15 + 3x) + x = 13

Combine like terms: 3x + x = 4x
15 + 4x = 13

Solving
15 + 4x = 13

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 4x = 13 + -15

Combine like terms: 15 + -15 = 0
0 + 4x = 13 + -15
4x = 13 + -15

Combine like terms: 13 + -15 = -2
4x = -2

Divide each side by '4'.
x = -0.5

Simplifying
x = -0.5

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