.4(x+10)+.6x=31

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Solution for .4(x+10)+.6x=31 equation:


Simplifying
0.4(x + 10) + 0.6x = 31

Reorder the terms:
0.4(10 + x) + 0.6x = 31
(10 * 0.4 + x * 0.4) + 0.6x = 31
(4 + 0.4x) + 0.6x = 31

Combine like terms: 0.4x + 0.6x = 1x
4 + 1x = 31

Solving
4 + 1x = 31

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 + 1x = 31 + -4

Combine like terms: 4 + -4 = 0
0 + 1x = 31 + -4
1x = 31 + -4

Combine like terms: 31 + -4 = 27
1x = 27

Divide each side by '1'.
x = 27

Simplifying
x = 27

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