4(30-x)=28

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Solution for 4(30-x)=28 equation: 


Simplifying
4(30 + -1x) = 28
(30 * 4 + -1x * 4) = 28
(120 + -4x) = 28

Solving
120 + -4x = 28

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + -4x = 28 + -120

Combine like terms: 120 + -120 = 0
0 + -4x = 28 + -120
-4x = 28 + -120

Combine like terms: 28 + -120 = -92
-4x = -92

Divide each side by '-4'.
x = 23

Simplifying
x = 23

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