3(1X+5)+1X=7

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Solution for 3(1X+5)+1X=7 equation: 


Simplifying
3(1X + 5) + 1X = 7

Reorder the terms:
3(5 + 1X) + 1X = 7
(5 * 3 + 1X * 3) + 1X = 7
(15 + 3X) + 1X = 7

Combine like terms: 3X + 1X = 4X
15 + 4X = 7

Solving
15 + 4X = 7

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 = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 4X = 7 + -15
4X = 7 + -15

Combine like terms: 7 + -15 = -8
4X = -8

Divide each side by '4'.
X = -2

Simplifying
X = -2

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