8.1x+2-7.1x=7

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Solution for 8.1x+2-7.1x=7 equation: 


Simplifying
8.1x + 2 + -7.1x = 7

Reorder the terms:
2 + 8.1x + -7.1x = 7

Combine like terms: 8.1x + -7.1x = 1x
2 + 1x = 7

Solving
2 + 1x = 7

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 1x = 7 + -2

Combine like terms: 2 + -2 = 0
0 + 1x = 7 + -2
1x = 7 + -2

Combine like terms: 7 + -2 = 5
1x = 5

Divide each side by '1'.
x = 5

Simplifying
x = 5

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