7x+20=8x+13

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Solution for 7x+20=8x+13 equation:


Simplifying
7x + 20 = 8x + 13

Reorder the terms:
20 + 7x = 8x + 13

Reorder the terms:
20 + 7x = 13 + 8x

Solving
20 + 7x = 13 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
20 + 7x + -8x = 13 + 8x + -8x

Combine like terms: 7x + -8x = -1x
20 + -1x = 13 + 8x + -8x

Combine like terms: 8x + -8x = 0
20 + -1x = 13 + 0
20 + -1x = 13

Add '-20' to each side of the equation.
20 + -20 + -1x = 13 + -20

Combine like terms: 20 + -20 = 0
0 + -1x = 13 + -20
-1x = 13 + -20

Combine like terms: 13 + -20 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7

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