.7x-.8x-2=2

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Solution for .7x-.8x-2=2 equation:


Simplifying
0.7x + -0.8x + -2 = 2

Reorder the terms:
-2 + 0.7x + -0.8x = 2

Combine like terms: 0.7x + -0.8x = -0.1x
-2 + -0.1x = 2

Solving
-2 + -0.1x = 2

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 + -0.1x = 2 + 2

Combine like terms: -2 + 2 = 0
0 + -0.1x = 2 + 2
-0.1x = 2 + 2

Combine like terms: 2 + 2 = 4
-0.1x = 4

Divide each side by '-0.1'.
x = -40

Simplifying
x = -40

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