32=16+0.4*(20-10x)

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Solution for 32=16+0.4*(20-10x) equation:


Simplifying
32 = 16 + 0.4(20 + -10x)
32 = 16 + (20 * 0.4 + -10x * 0.4)
32 = 16 + (8 + -4x)

Combine like terms: 16 + 8 = 24
32 = 24 + -4x

Solving
32 = 24 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
32 + 4x = 24 + -4x + 4x

Combine like terms: -4x + 4x = 0
32 + 4x = 24 + 0
32 + 4x = 24

Add '-32' to each side of the equation.
32 + -32 + 4x = 24 + -32

Combine like terms: 32 + -32 = 0
0 + 4x = 24 + -32
4x = 24 + -32

Combine like terms: 24 + -32 = -8
4x = -8

Divide each side by '4'.
x = -2

Simplifying
x = -2

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