2.8x-2.1=-7.7

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Solution for 2.8x-2.1=-7.7 equation: 


Simplifying
2.8x + -2.1 = -7.7

Reorder the terms:
-2.1 + 2.8x = -7.7

Solving
-2.1 + 2.8x = -7.7

Solving for variable 'x'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 2.8x = -7.7 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 2.8x = -7.7 + 2.1
2.8x = -7.7 + 2.1

Combine like terms: -7.7 + 2.1 = -5.6
2.8x = -5.6

Divide each side by '2.8'.
x = -2

Simplifying
x = -2

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