2.1x+2.8=7

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Solution for 2.1x+2.8=7 equation: 


Simplifying
2.1x + 2.8 = 7

Reorder the terms:
2.8 + 2.1x = 7

Solving
2.8 + 2.1x = 7

Solving for variable 'x'.

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

Add '-2.8' to each side of the equation.
2.8 + -2.8 + 2.1x = 7 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + 2.1x = 7 + -2.8
2.1x = 7 + -2.8

Combine like terms: 7 + -2.8 = 4.2
2.1x = 4.2

Divide each side by '2.1'.
x = 2

Simplifying
x = 2

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