0.3(x+10)+0.1x=7

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Solution for 0.3(x+10)+0.1x=7 equation: 


Simplifying
0.3(x + 10) + 0.1x = 7

Reorder the terms:
0.3(10 + x) + 0.1x = 7
(10 * 0.3 + x * 0.3) + 0.1x = 7
(3 + 0.3x) + 0.1x = 7

Combine like terms: 0.3x + 0.1x = 0.4x
3 + 0.4x = 7

Solving
3 + 0.4x = 7

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 0.4x = 7 + -3

Combine like terms: 3 + -3 = 0
0 + 0.4x = 7 + -3
0.4x = 7 + -3

Combine like terms: 7 + -3 = 4
0.4x = 4

Divide each side by '0.4'.
x = 10

Simplifying
x = 10

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