40(3x-7)=20

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Solution for 40(3x-7)=20 equation:


Simplifying
40(3x + -7) = 20

Reorder the terms:
40(-7 + 3x) = 20
(-7 * 40 + 3x * 40) = 20
(-280 + 120x) = 20

Solving
-280 + 120x = 20

Solving for variable 'x'.

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

Add '280' to each side of the equation.
-280 + 280 + 120x = 20 + 280

Combine like terms: -280 + 280 = 0
0 + 120x = 20 + 280
120x = 20 + 280

Combine like terms: 20 + 280 = 300
120x = 300

Divide each side by '120'.
x = 2.5

Simplifying
x = 2.5

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