20x+7-6+3x=21

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Solution for 20x+7-6+3x=21 equation:


Simplifying
20x + 7 + -6 + 3x = 21

Reorder the terms:
7 + -6 + 20x + 3x = 21

Combine like terms: 7 + -6 = 1
1 + 20x + 3x = 21

Combine like terms: 20x + 3x = 23x
1 + 23x = 21

Solving
1 + 23x = 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 + 23x = 21 + -1

Combine like terms: 1 + -1 = 0
0 + 23x = 21 + -1
23x = 21 + -1

Combine like terms: 21 + -1 = 20
23x = 20

Divide each side by '23'.
x = 0.8695652174

Simplifying
x = 0.8695652174

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