0.4x-0.3(30+x)=-0.2(30)

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Solution for 0.4x-0.3(30+x)=-0.2(30) equation:


Simplifying
0.4x + -0.3(30 + x) = -0.2(30)
0.4x + (30 * -0.3 + x * -0.3) = -0.2(30)
0.4x + (-9 + -0.3x) = -0.2(30)

Reorder the terms:
-9 + 0.4x + -0.3x = -0.2(30)

Combine like terms: 0.4x + -0.3x = 0.1x
-9 + 0.1x = -0.2(30)

Multiply -0.2 * 30
-9 + 0.1x = -6

Solving
-9 + 0.1x = -6

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 0.1x = -6 + 9

Combine like terms: -9 + 9 = 0
0 + 0.1x = -6 + 9
0.1x = -6 + 9

Combine like terms: -6 + 9 = 3
0.1x = 3

Divide each side by '0.1'.
x = 30

Simplifying
x = 30

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