1.20x+1.80=7.80

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Solution for 1.20x+1.80=7.80 equation: 


Simplifying
1.20x + 1.80 = 7.80

Reorder the terms:
1.80 + 1.20x = 7.80

Solving
1.80 + 1.20x = 7.80

Solving for variable 'x'.

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

Add '-1.80' to each side of the equation.
1.80 + -1.80 + 1.20x = 7.80 + -1.80

Combine like terms: 1.80 + -1.80 = 0.00
0.00 + 1.20x = 7.80 + -1.80
1.20x = 7.80 + -1.80

Combine like terms: 7.80 + -1.80 = 6
1.20x = 6

Divide each side by '1.20'.
x = 5

Simplifying
x = 5

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