0.06x+0.07(100-x)=6.4

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Solution for 0.06x+0.07(100-x)=6.4 equation:


Simplifying
0.06x + 0.07(100 + -1x) = 6.4
0.06x + (100 * 0.07 + -1x * 0.07) = 6.4
0.06x + (7 + -0.07x) = 6.4

Reorder the terms:
7 + 0.06x + -0.07x = 6.4

Combine like terms: 0.06x + -0.07x = -0.01x
7 + -0.01x = 6.4

Solving
7 + -0.01x = 6.4

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -0.01x = 6.4 + -7

Combine like terms: 7 + -7 = 0
0 + -0.01x = 6.4 + -7
-0.01x = 6.4 + -7

Combine like terms: 6.4 + -7 = -0.6
-0.01x = -0.6

Divide each side by '-0.01'.
x = 60

Simplifying
x = 60

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