0.7x-0.8x-4=4

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Solution for 0.7x-0.8x-4=4 equation:


Simplifying
0.7x + -0.8x + -4 = 4

Reorder the terms:
-4 + 0.7x + -0.8x = 4

Combine like terms: 0.7x + -0.8x = -0.1x
-4 + -0.1x = 4

Solving
-4 + -0.1x = 4

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -0.1x = 4 + 4

Combine like terms: -4 + 4 = 0
0 + -0.1x = 4 + 4
-0.1x = 4 + 4

Combine like terms: 4 + 4 = 8
-0.1x = 8

Divide each side by '-0.1'.
x = -80

Simplifying
x = -80

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