3(-4+.7x)=240

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Solution for 3(-4+.7x)=240 equation: 


Simplifying
3(-4 + 0.7x) = 240
(-4 * 3 + 0.7x * 3) = 240
(-12 + 2.1x) = 240

Solving
-12 + 2.1x = 240

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 2.1x = 240 + 12

Combine like terms: -12 + 12 = 0
0 + 2.1x = 240 + 12
2.1x = 240 + 12

Combine like terms: 240 + 12 = 252
2.1x = 252

Divide each side by '2.1'.
x = 120

Simplifying
x = 120

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