0.3x+(x-10)*0.5=12

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Solution for 0.3x+(x-10)*0.5=12 equation:


Simplifying
0.3x + (x + -10) * 0.5 = 12

Reorder the terms:
0.3x + (-10 + x) * 0.5 = 12

Reorder the terms for easier multiplication:
0.3x + 0.5(-10 + x) = 12
0.3x + (-10 * 0.5 + x * 0.5) = 12
0.3x + (-5 + 0.5x) = 12

Reorder the terms:
-5 + 0.3x + 0.5x = 12

Combine like terms: 0.3x + 0.5x = 0.8x
-5 + 0.8x = 12

Solving
-5 + 0.8x = 12

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 0.8x = 12 + 5

Combine like terms: -5 + 5 = 0
0 + 0.8x = 12 + 5
0.8x = 12 + 5

Combine like terms: 12 + 5 = 17
0.8x = 17

Divide each side by '0.8'.
x = 21.25

Simplifying
x = 21.25

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