.5x+x-1=21

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Solution for .5x+x-1=21 equation:


Simplifying
0.5x + x + -1 = 21

Reorder the terms:
-1 + 0.5x + x = 21

Combine like terms: 0.5x + x = 1.5x
-1 + 1.5x = 21

Solving
-1 + 1.5x = 21

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 1.5x = 21 + 1

Combine like terms: -1 + 1 = 0
0 + 1.5x = 21 + 1
1.5x = 21 + 1

Combine like terms: 21 + 1 = 22
1.5x = 22

Divide each side by '1.5'.
x = 14.66666667

Simplifying
x = 14.66666667

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