[7x-13]=[3x+20]

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Solution for [7x-13]=[3x+20] equation:


Simplifying
[7x + -13] = [3x + 20]

Reorder the terms:
[-13 + 7x] = [3x + 20]

Remove brackets around [-13 + 7x]
-13 + 7x = [3x + 20]

Reorder the terms:
-13 + 7x = [20 + 3x]

Remove brackets around [20 + 3x]
-13 + 7x = 20 + 3x

Solving
-13 + 7x = 20 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-13 + 7x + -3x = 20 + 3x + -3x

Combine like terms: 7x + -3x = 4x
-13 + 4x = 20 + 3x + -3x

Combine like terms: 3x + -3x = 0
-13 + 4x = 20 + 0
-13 + 4x = 20

Add '13' to each side of the equation.
-13 + 13 + 4x = 20 + 13

Combine like terms: -13 + 13 = 0
0 + 4x = 20 + 13
4x = 20 + 13

Combine like terms: 20 + 13 = 33
4x = 33

Divide each side by '4'.
x = 8.25

Simplifying
x = 8.25

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