0.10(x+40)+0.30x=8

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Solution for 0.10(x+40)+0.30x=8 equation: 


Simplifying
0.10(x + 40) + 0.30x = 8

Reorder the terms:
0.10(40 + x) + 0.30x = 8
(40 * 0.10 + x * 0.10) + 0.30x = 8
(4 + 0.10x) + 0.30x = 8

Combine like terms: 0.10x + 0.30x = 0.4x
4 + 0.4x = 8

Solving
4 + 0.4x = 8

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 + 0.4x = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 0.4x = 8 + -4
0.4x = 8 + -4

Combine like terms: 8 + -4 = 4
0.4x = 4

Divide each side by '0.4'.
x = 10

Simplifying
x = 10

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