0.1(x+30)+0.3x=7

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Solution for 0.1(x+30)+0.3x=7 equation:


0.1(x+30) + 0.3x=7

We simplify the equation to the form, which is simple to understand 
0.1(x+30) + 0.3x=7

Reorder the terms in parentheses
+( + 0.1x+3) + 0.3x=7

Remove unnecessary parentheses
 + 0.1x+3 + 0.3x=+7

We move all terms containing x to the left and all other terms to the right. 
 + 0.1x + 0.3x=+7-3

We simplify left and right side of the equation. 
 + 0.4x=+4

We divide both sides of the equation by 0.4 to get x. 
x=10

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