40-7(8-x)=5

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Solution for 40-7(8-x)=5 equation:


Simplifying
40 + -7(8 + -1x) = 5
40 + (8 * -7 + -1x * -7) = 5
40 + (-56 + 7x) = 5

Combine like terms: 40 + -56 = -16
-16 + 7x = 5

Solving
-16 + 7x = 5

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 7x = 5 + 16

Combine like terms: -16 + 16 = 0
0 + 7x = 5 + 16
7x = 5 + 16

Combine like terms: 5 + 16 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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