21x-1+20x+5=180

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Solution for 21x-1+20x+5=180 equation:


Simplifying
21x + -1 + 20x + 5 = 180

Reorder the terms:
-1 + 5 + 21x + 20x = 180

Combine like terms: -1 + 5 = 4
4 + 21x + 20x = 180

Combine like terms: 21x + 20x = 41x
4 + 41x = 180

Solving
4 + 41x = 180

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 41x = 180 + -4

Combine like terms: 4 + -4 = 0
0 + 41x = 180 + -4
41x = 180 + -4

Combine like terms: 180 + -4 = 176
41x = 176

Divide each side by '41'.
x = 4.292682927

Simplifying
x = 4.292682927

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