0.40x+0.45(20)=0.20(35)

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Solution for 0.40x+0.45(20)=0.20(35) equation:


Simplifying
0.40x + 0.45(20) = 0.20(35)

Multiply 0.45 * 20
0.40x + 9 = 0.20(35)

Reorder the terms:
9 + 0.40x = 0.20(35)

Multiply 0.20 * 35
9 + 0.40x = 7

Solving
9 + 0.40x = 7

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 0.40x = 7 + -9

Combine like terms: 9 + -9 = 0
0 + 0.40x = 7 + -9
0.40x = 7 + -9

Combine like terms: 7 + -9 = -2
0.40x = -2

Divide each side by '0.40'.
x = -5

Simplifying
x = -5

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