4x+6*(20-x)=0.7

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Solution for 4x+6*(20-x)=0.7 equation:


Simplifying
4x + 6(20 + -1x) = 0.7
4x + (20 * 6 + -1x * 6) = 0.7
4x + (120 + -6x) = 0.7

Reorder the terms:
120 + 4x + -6x = 0.7

Combine like terms: 4x + -6x = -2x
120 + -2x = 0.7

Solving
120 + -2x = 0.7

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 + -2x = 0.7 + -120

Combine like terms: 120 + -120 = 0
0 + -2x = 0.7 + -120
-2x = 0.7 + -120

Combine like terms: 0.7 + -120 = -119.3
-2x = -119.3

Divide each side by '-2'.
x = 59.65

Simplifying
x = 59.65

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