-100=0.1(30-x)

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Solution for -100=0.1(30-x) equation:


Simplifying
-100 = 0.1(30 + -1x)
-100 = (30 * 0.1 + -1x * 0.1)
-100 = (3 + -0.1x)

Solving
-100 = 3 + -0.1x

Solving for variable 'x'.

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

Add '0.1x' to each side of the equation.
-100 + 0.1x = 3 + -0.1x + 0.1x

Combine like terms: -0.1x + 0.1x = 0.0
-100 + 0.1x = 3 + 0.0
-100 + 0.1x = 3

Add '100' to each side of the equation.
-100 + 100 + 0.1x = 3 + 100

Combine like terms: -100 + 100 = 0
0 + 0.1x = 3 + 100
0.1x = 3 + 100

Combine like terms: 3 + 100 = 103
0.1x = 103

Divide each side by '0.1'.
x = 1030

Simplifying
x = 1030

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