2x-1+x+5+x+8=84

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Solution for 2x-1+x+5+x+8=84 equation:


Simplifying
2x + -1 + x + 5 + x + 8 = 84

Reorder the terms:
-1 + 5 + 8 + 2x + x + x = 84

Combine like terms: -1 + 5 = 4
4 + 8 + 2x + x + x = 84

Combine like terms: 4 + 8 = 12
12 + 2x + x + x = 84

Combine like terms: 2x + x = 3x
12 + 3x + x = 84

Combine like terms: 3x + x = 4x
12 + 4x = 84

Solving
12 + 4x = 84

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 4x = 84 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 84 + -12
4x = 84 + -12

Combine like terms: 84 + -12 = 72
4x = 72

Divide each side by '4'.
x = 18

Simplifying
x = 18

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