[7x-4]=31

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Solution for [7x-4]=31 equation: 


Simplifying
[7x + -4] = 31

Reorder the terms:
[-4 + 7x] = 31

Remove brackets around [-4 + 7x]
-4 + 7x = 31

Solving
-4 + 7x = 31

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 7x = 31 + 4

Combine like terms: -4 + 4 = 0
0 + 7x = 31 + 4
7x = 31 + 4

Combine like terms: 31 + 4 = 35
7x = 35

Divide each side by '7'.
x = 5

Simplifying
x = 5

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