0.40x+0.90(20)=0.20(122)

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Solution for 0.40x+0.90(20)=0.20(122) equation: 


Simplifying
0.40x + 0.90(20) = 0.20(122)

Multiply 0.90 * 20
0.40x + 18 = 0.20(122)

Reorder the terms:
18 + 0.40x = 0.20(122)

Multiply 0.20 * 122
18 + 0.40x = 24.4

Solving
18 + 0.40x = 24.4

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 0.40x = 24.4 + -18

Combine like terms: 18 + -18 = 0
0 + 0.40x = 24.4 + -18
0.40x = 24.4 + -18

Combine like terms: 24.4 + -18 = 6.4
0.40x = 6.4

Divide each side by '0.40'.
x = 16

Simplifying
x = 16

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