-3.1x+2.1=0.7x-5.5

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Solution for -3.1x+2.1=0.7x-5.5 equation: 


Simplifying
-3.1x + 2.1 = 0.7x + -5.5

Reorder the terms:
2.1 + -3.1x = 0.7x + -5.5

Reorder the terms:
2.1 + -3.1x = -5.5 + 0.7x

Solving
2.1 + -3.1x = -5.5 + 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
2.1 + -3.1x + -0.7x = -5.5 + 0.7x + -0.7x

Combine like terms: -3.1x + -0.7x = -3.8x
2.1 + -3.8x = -5.5 + 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
2.1 + -3.8x = -5.5 + 0.0
2.1 + -3.8x = -5.5

Add '-2.1' to each side of the equation.
2.1 + -2.1 + -3.8x = -5.5 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + -3.8x = -5.5 + -2.1
-3.8x = -5.5 + -2.1

Combine like terms: -5.5 + -2.1 = -7.6
-3.8x = -7.6

Divide each side by '-3.8'.
x = 2

Simplifying
x = 2

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