0.80x-0.40(40+x)=-0.10(40)

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Solution for 0.80x-0.40(40+x)=-0.10(40) equation:


Simplifying
0.80x + -0.40(40 + x) = -0.10(40)
0.80x + (40 * -0.40 + x * -0.40) = -0.10(40)
0.80x + (-16 + -0.40x) = -0.10(40)

Reorder the terms:
-16 + 0.80x + -0.40x = -0.10(40)

Combine like terms: 0.80x + -0.40x = 0.4x
-16 + 0.4x = -0.10(40)

Multiply -0.10 * 40
-16 + 0.4x = -4

Solving
-16 + 0.4x = -4

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 0.4x = -4 + 16

Combine like terms: -16 + 16 = 0
0 + 0.4x = -4 + 16
0.4x = -4 + 16

Combine like terms: -4 + 16 = 12
0.4x = 12

Divide each side by '0.4'.
x = 30

Simplifying
x = 30

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