3(x+5)+3(x-1)=15

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Solution for 3(x+5)+3(x-1)=15 equation: 


Simplifying
3(x + 5) + 3(x + -1) = 15

Reorder the terms:
3(5 + x) + 3(x + -1) = 15
(5 * 3 + x * 3) + 3(x + -1) = 15
(15 + 3x) + 3(x + -1) = 15

Reorder the terms:
15 + 3x + 3(-1 + x) = 15
15 + 3x + (-1 * 3 + x * 3) = 15
15 + 3x + (-3 + 3x) = 15

Reorder the terms:
15 + -3 + 3x + 3x = 15

Combine like terms: 15 + -3 = 12
12 + 3x + 3x = 15

Combine like terms: 3x + 3x = 6x
12 + 6x = 15

Solving
12 + 6x = 15

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 6x = 15 + -12

Combine like terms: 12 + -12 = 0
0 + 6x = 15 + -12
6x = 15 + -12

Combine like terms: 15 + -12 = 3
6x = 3

Divide each side by '6'.
x = 0.5

Simplifying
x = 0.5

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