0.8x-0.5(70+x)=-0.2(70)

Solution for 0.8x-0.5(70+x)=-0.2(70) equation:

Simplifying
0.8x + -0.5(70 + x) = -0.2(70)
0.8x + (70 * -0.5 + x * -0.5) = -0.2(70)
0.8x + (-35 + -0.5x) = -0.2(70)

Reorder the terms:
-35 + 0.8x + -0.5x = -0.2(70)

Combine like terms: 0.8x + -0.5x = 0.3x
-35 + 0.3x = -0.2(70)

Multiply -0.2 * 70
-35 + 0.3x = -14

Solving
-35 + 0.3x = -14

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + 0.3x = -14 + 35

Combine like terms: -35 + 35 = 0
0 + 0.3x = -14 + 35
0.3x = -14 + 35

Combine like terms: -14 + 35 = 21
0.3x = 21

Divide each side by '0.3'.
x = 70

Simplifying
x = 70