[40-7x]=5

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Solution for [40-7x]=5 equation: 


Simplifying
[40 + -7x] = 5

Remove brackets around [40 + -7x]
40 + -7x = 5

Solving
40 + -7x = 5

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + -7x = 5 + -40

Combine like terms: 40 + -40 = 0
0 + -7x = 5 + -40
-7x = 5 + -40

Combine like terms: 5 + -40 = -35
-7x = -35

Divide each side by '-7'.
x = 5

Simplifying
x = 5

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