0.8x-0.2(70+x)=0.4(70)

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Solution for 0.8x-0.2(70+x)=0.4(70) equation:


Simplifying
0.8x + -0.2(70 + x) = 0.4(70)
0.8x + (70 * -0.2 + x * -0.2) = 0.4(70)
0.8x + (-14 + -0.2x) = 0.4(70)

Reorder the terms:
-14 + 0.8x + -0.2x = 0.4(70)

Combine like terms: 0.8x + -0.2x = 0.6x
-14 + 0.6x = 0.4(70)

Multiply 0.4 * 70
-14 + 0.6x = 28

Solving
-14 + 0.6x = 28

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 0.6x = 28 + 14

Combine like terms: -14 + 14 = 0
0 + 0.6x = 28 + 14
0.6x = 28 + 14

Combine like terms: 28 + 14 = 42
0.6x = 42

Divide each side by '0.6'.
x = 70

Simplifying
x = 70

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