0.3x-7=0.1(x+10)

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


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

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

Reorder the terms:
-7 + 0.3x = 0.1(10 + x)
-7 + 0.3x = (10 * 0.1 + x * 0.1)
-7 + 0.3x = (1 + 0.1x)

Solving
-7 + 0.3x = 1 + 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.
-7 + 0.3x + -0.1x = 1 + 0.1x + -0.1x

Combine like terms: 0.3x + -0.1x = 0.2x
-7 + 0.2x = 1 + 0.1x + -0.1x

Combine like terms: 0.1x + -0.1x = 0.0
-7 + 0.2x = 1 + 0.0
-7 + 0.2x = 1

Add '7' to each side of the equation.
-7 + 7 + 0.2x = 1 + 7

Combine like terms: -7 + 7 = 0
0 + 0.2x = 1 + 7
0.2x = 1 + 7

Combine like terms: 1 + 7 = 8
0.2x = 8

Divide each side by '0.2'.
x = 40

Simplifying
x = 40

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