5(x+1)-(x-18)=12

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Solution for 5(x+1)-(x-18)=12 equation:


Simplifying
5(x + 1) + -1(x + -18) = 12

Reorder the terms:
5(1 + x) + -1(x + -18) = 12
(1 * 5 + x * 5) + -1(x + -18) = 12
(5 + 5x) + -1(x + -18) = 12

Reorder the terms:
5 + 5x + -1(-18 + x) = 12
5 + 5x + (-18 * -1 + x * -1) = 12
5 + 5x + (18 + -1x) = 12

Reorder the terms:
5 + 18 + 5x + -1x = 12

Combine like terms: 5 + 18 = 23
23 + 5x + -1x = 12

Combine like terms: 5x + -1x = 4x
23 + 4x = 12

Solving
23 + 4x = 12

Solving for variable 'x'.

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

Add '-23' to each side of the equation.
23 + -23 + 4x = 12 + -23

Combine like terms: 23 + -23 = 0
0 + 4x = 12 + -23
4x = 12 + -23

Combine like terms: 12 + -23 = -11
4x = -11

Divide each side by '4'.
x = -2.75

Simplifying
x = -2.75

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