6.9x-5+x-2.1x=

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Solution for 6.9x-5+x-2.1x= equation:


Simplifying
6.9x + -5 + x + -2.1x = 0

Reorder the terms:
-5 + 6.9x + x + -2.1x = 0

Combine like terms: 6.9x + x = 7.9x
-5 + 7.9x + -2.1x = 0

Combine like terms: 7.9x + -2.1x = 5.8x
-5 + 5.8x = 0

Solving
-5 + 5.8x = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 5.8x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 5.8x = 0 + 5
5.8x = 0 + 5

Combine like terms: 0 + 5 = 5
5.8x = 5

Divide each side by '5.8'.
x = 0.8620689655

Simplifying
x = 0.8620689655

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