2.1x+0.9=7.2

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Solution for 2.1x+0.9=7.2 equation: 


Simplifying
2.1x + 0.9 = 7.2

Reorder the terms:
0.9 + 2.1x = 7.2

Solving
0.9 + 2.1x = 7.2

Solving for variable 'x'.

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

Add '-0.9' to each side of the equation.
0.9 + -0.9 + 2.1x = 7.2 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + 2.1x = 7.2 + -0.9
2.1x = 7.2 + -0.9

Combine like terms: 7.2 + -0.9 = 6.3
2.1x = 6.3

Divide each side by '2.1'.
x = 3

Simplifying
x = 3

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