7(x-5)-(x+1)=138

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Solution for 7(x-5)-(x+1)=138 equation:


Simplifying
7(x + -5) + -1(x + 1) = 138

Reorder the terms:
7(-5 + x) + -1(x + 1) = 138
(-5 * 7 + x * 7) + -1(x + 1) = 138
(-35 + 7x) + -1(x + 1) = 138

Reorder the terms:
-35 + 7x + -1(1 + x) = 138
-35 + 7x + (1 * -1 + x * -1) = 138
-35 + 7x + (-1 + -1x) = 138

Reorder the terms:
-35 + -1 + 7x + -1x = 138

Combine like terms: -35 + -1 = -36
-36 + 7x + -1x = 138

Combine like terms: 7x + -1x = 6x
-36 + 6x = 138

Solving
-36 + 6x = 138

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 6x = 138 + 36

Combine like terms: -36 + 36 = 0
0 + 6x = 138 + 36
6x = 138 + 36

Combine like terms: 138 + 36 = 174
6x = 174

Divide each side by '6'.
x = 29

Simplifying
x = 29

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