20x-9=13-7

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Solution for 20x-9=13-7 equation:


Simplifying
20x + -9 = 13 + -7

Reorder the terms:
-9 + 20x = 13 + -7

Combine like terms: 13 + -7 = 6
-9 + 20x = 6

Solving
-9 + 20x = 6

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 20x = 6 + 9

Combine like terms: -9 + 9 = 0
0 + 20x = 6 + 9
20x = 6 + 9

Combine like terms: 6 + 9 = 15
20x = 15

Divide each side by '20'.
x = 0.75

Simplifying
x = 0.75

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