.6(x+20)+.8(x-10)=46

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Solution for .6(x+20)+.8(x-10)=46 equation:


Simplifying
0.6(x + 20) + 0.8(x + -10) = 46

Reorder the terms:
0.6(20 + x) + 0.8(x + -10) = 46
(20 * 0.6 + x * 0.6) + 0.8(x + -10) = 46
(12 + 0.6x) + 0.8(x + -10) = 46

Reorder the terms:
12 + 0.6x + 0.8(-10 + x) = 46
12 + 0.6x + (-10 * 0.8 + x * 0.8) = 46
12 + 0.6x + (-8 + 0.8x) = 46

Reorder the terms:
12 + -8 + 0.6x + 0.8x = 46

Combine like terms: 12 + -8 = 4
4 + 0.6x + 0.8x = 46

Combine like terms: 0.6x + 0.8x = 1.4x
4 + 1.4x = 46

Solving
4 + 1.4x = 46

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 1.4x = 46 + -4

Combine like terms: 4 + -4 = 0
0 + 1.4x = 46 + -4
1.4x = 46 + -4

Combine like terms: 46 + -4 = 42
1.4x = 42

Divide each side by '1.4'.
x = 30

Simplifying
x = 30

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