3.1x+5=.8+x

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Solution for 3.1x+5=.8+x equation:


Simplifying
3.1x + 5 = 0.8 + x

Reorder the terms:
5 + 3.1x = 0.8 + x

Solving
5 + 3.1x = 0.8 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
5 + 3.1x + -1x = 0.8 + x + -1x

Combine like terms: 3.1x + -1x = 2.1x
5 + 2.1x = 0.8 + x + -1x

Combine like terms: x + -1x = 0
5 + 2.1x = 0.8 + 0
5 + 2.1x = 0.8

Add '-5' to each side of the equation.
5 + -5 + 2.1x = 0.8 + -5

Combine like terms: 5 + -5 = 0
0 + 2.1x = 0.8 + -5
2.1x = 0.8 + -5

Combine like terms: 0.8 + -5 = -4.2
2.1x = -4.2

Divide each side by '2.1'.
x = -2

Simplifying
x = -2

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