.30x+.05(20-x)=.10(-35)

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Solution for .30x+.05(20-x)=.10(-35) equation:


Simplifying
0.30x + 0.05(20 + -1x) = 0.10(-35)
0.30x + (20 * 0.05 + -1x * 0.05) = 0.10(-35)
0.30x + (1 + -0.05x) = 0.10(-35)

Reorder the terms:
1 + 0.30x + -0.05x = 0.10(-35)

Combine like terms: 0.30x + -0.05x = 0.25x
1 + 0.25x = 0.10(-35)

Multiply 0.10 * -35
1 + 0.25x = -3.5

Solving
1 + 0.25x = -3.5

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 0.25x = -3.5 + -1

Combine like terms: 1 + -1 = 0
0 + 0.25x = -3.5 + -1
0.25x = -3.5 + -1

Combine like terms: -3.5 + -1 = -4.5
0.25x = -4.5

Divide each side by '0.25'.
x = -18

Simplifying
x = -18

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