.4(3x-7)=6.8

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Solution for .4(3x-7)=6.8 equation:


Simplifying
0.4(3x + -7) = 6.8

Reorder the terms:
0.4(-7 + 3x) = 6.8
(-7 * 0.4 + 3x * 0.4) = 6.8
(-2.8 + 1.2x) = 6.8

Solving
-2.8 + 1.2x = 6.8

Solving for variable 'x'.

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

Add '2.8' to each side of the equation.
-2.8 + 2.8 + 1.2x = 6.8 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + 1.2x = 6.8 + 2.8
1.2x = 6.8 + 2.8

Combine like terms: 6.8 + 2.8 = 9.6
1.2x = 9.6

Divide each side by '1.2'.
x = 8

Simplifying
x = 8

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