4(x+40)=40

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Solution for 4(x+40)=40 equation:


Simplifying
4(x + 40) = 40

Reorder the terms:
4(40 + x) = 40
(40 * 4 + x * 4) = 40
(160 + 4x) = 40

Solving
160 + 4x = 40

Solving for variable 'x'.

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

Add '-160' to each side of the equation.
160 + -160 + 4x = 40 + -160

Combine like terms: 160 + -160 = 0
0 + 4x = 40 + -160
4x = 40 + -160

Combine like terms: 40 + -160 = -120
4x = -120

Divide each side by '4'.
x = -30

Simplifying
x = -30

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