.7X-.7(6-X)=3.5

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Solution for .7X-.7(6-X)=3.5 equation:


Simplifying
0.7X + -0.7(6 + -1X) = 3.5
0.7X + (6 * -0.7 + -1X * -0.7) = 3.5
0.7X + (-4.2 + 0.7X) = 3.5

Reorder the terms:
-4.2 + 0.7X + 0.7X = 3.5

Combine like terms: 0.7X + 0.7X = 1.4X
-4.2 + 1.4X = 3.5

Solving
-4.2 + 1.4X = 3.5

Solving for variable 'X'.

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

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 1.4X = 3.5 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 1.4X = 3.5 + 4.2
1.4X = 3.5 + 4.2

Combine like terms: 3.5 + 4.2 = 7.7
1.4X = 7.7

Divide each side by '1.4'.
X = 5.5

Simplifying
X = 5.5

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