.13x+.18(50-x)=.16(50)

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Solution for .13x+.18(50-x)=.16(50) equation:


Simplifying
0.13x + 0.18(50 + -1x) = 0.16(50)
0.13x + (50 * 0.18 + -1x * 0.18) = 0.16(50)
0.13x + (9 + -0.18x) = 0.16(50)

Reorder the terms:
9 + 0.13x + -0.18x = 0.16(50)

Combine like terms: 0.13x + -0.18x = -0.05x
9 + -0.05x = 0.16(50)

Multiply 0.16 * 50
9 + -0.05x = 8

Solving
9 + -0.05x = 8

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -0.05x = 8 + -9

Combine like terms: 9 + -9 = 0
0 + -0.05x = 8 + -9
-0.05x = 8 + -9

Combine like terms: 8 + -9 = -1
-0.05x = -1

Divide each side by '-0.05'.
x = 20

Simplifying
x = 20

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