0.4(x+10)+0.40x=20

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Solution for 0.4(x+10)+0.40x=20 equation: 


Simplifying
0.4(x + 10) + 0.40x = 20

Reorder the terms:
0.4(10 + x) + 0.40x = 20
(10 * 0.4 + x * 0.4) + 0.40x = 20
(4 + 0.4x) + 0.40x = 20

Combine like terms: 0.4x + 0.40x = 0.8x
4 + 0.8x = 20

Solving
4 + 0.8x = 20

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 + 0.8x = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 0.8x = 20 + -4
0.8x = 20 + -4

Combine like terms: 20 + -4 = 16
0.8x = 16

Divide each side by '0.8'.
x = 20

Simplifying
x = 20

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