5(x-1)+x+7=15

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Solution for 5(x-1)+x+7=15 equation:


Simplifying
5(x + -1) + x + 7 = 15

Reorder the terms:
5(-1 + x) + x + 7 = 15
(-1 * 5 + x * 5) + x + 7 = 15
(-5 + 5x) + x + 7 = 15

Reorder the terms:
-5 + 7 + 5x + x = 15

Combine like terms: -5 + 7 = 2
2 + 5x + x = 15

Combine like terms: 5x + x = 6x
2 + 6x = 15

Solving
2 + 6x = 15

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 6x = 15 + -2

Combine like terms: 2 + -2 = 0
0 + 6x = 15 + -2
6x = 15 + -2

Combine like terms: 15 + -2 = 13
6x = 13

Divide each side by '6'.
x = 2.166666667

Simplifying
x = 2.166666667

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