3.20x+40(5.50)=4.20(x+40)

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Solution for 3.20x+40(5.50)=4.20(x+40) equation: 


Simplifying
3.20x + 40(5.50) = 4.20(x + 40)

Multiply 40 * 5.50
3.20x + 220 = 4.20(x + 40)

Reorder the terms:
220 + 3.20x = 4.20(x + 40)

Reorder the terms:
220 + 3.20x = 4.20(40 + x)
220 + 3.20x = (40 * 4.20 + x * 4.20)
220 + 3.20x = (168 + 4.20x)

Solving
220 + 3.20x = 168 + 4.20x

Solving for variable 'x'.

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

Add '-4.20x' to each side of the equation.
220 + 3.20x + -4.20x = 168 + 4.20x + -4.20x

Combine like terms: 3.20x + -4.20x = -1x
220 + -1x = 168 + 4.20x + -4.20x

Combine like terms: 4.20x + -4.20x = 0.00
220 + -1x = 168 + 0.00
220 + -1x = 168

Add '-220' to each side of the equation.
220 + -220 + -1x = 168 + -220

Combine like terms: 220 + -220 = 0
0 + -1x = 168 + -220
-1x = 168 + -220

Combine like terms: 168 + -220 = -52
-1x = -52

Divide each side by '-1'.
x = 52

Simplifying
x = 52

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