5x-(x-3)-1=18

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Solution for 5x-(x-3)-1=18 equation:


Simplifying
5x + -1(x + -3) + -1 = 18

Reorder the terms:
5x + -1(-3 + x) + -1 = 18
5x + (-3 * -1 + x * -1) + -1 = 18
5x + (3 + -1x) + -1 = 18

Reorder the terms:
3 + -1 + 5x + -1x = 18

Combine like terms: 3 + -1 = 2
2 + 5x + -1x = 18

Combine like terms: 5x + -1x = 4x
2 + 4x = 18

Solving
2 + 4x = 18

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 + 4x = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 4x = 18 + -2
4x = 18 + -2

Combine like terms: 18 + -2 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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