20x+3x+7x-3=12

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Solution for 20x+3x+7x-3=12 equation:


Simplifying
20x + 3x + 7x + -3 = 12

Reorder the terms:
-3 + 20x + 3x + 7x = 12

Combine like terms: 20x + 3x = 23x
-3 + 23x + 7x = 12

Combine like terms: 23x + 7x = 30x
-3 + 30x = 12

Solving
-3 + 30x = 12

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 30x = 12 + 3

Combine like terms: -3 + 3 = 0
0 + 30x = 12 + 3
30x = 12 + 3

Combine like terms: 12 + 3 = 15
30x = 15

Divide each side by '30'.
x = 0.5

Simplifying
x = 0.5

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