0.4x-0.3(70+x)=-0.2(70)

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Solution for 0.4x-0.3(70+x)=-0.2(70) equation:


Simplifying
0.4x + -0.3(70 + x) = -0.2(70)
0.4x + (70 * -0.3 + x * -0.3) = -0.2(70)
0.4x + (-21 + -0.3x) = -0.2(70)

Reorder the terms:
-21 + 0.4x + -0.3x = -0.2(70)

Combine like terms: 0.4x + -0.3x = 0.1x
-21 + 0.1x = -0.2(70)

Multiply -0.2 * 70
-21 + 0.1x = -14

Solving
-21 + 0.1x = -14

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 0.1x = -14 + 21

Combine like terms: -21 + 21 = 0
0 + 0.1x = -14 + 21
0.1x = -14 + 21

Combine like terms: -14 + 21 = 7
0.1x = 7

Divide each side by '0.1'.
x = 70

Simplifying
x = 70

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