7.8x+16-7.9x-2.1=0

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Solution for 7.8x+16-7.9x-2.1=0 equation:


Simplifying
7.8x + 16 + -7.9x + -2.1 = 0

Reorder the terms:
16 + -2.1 + 7.8x + -7.9x = 0

Combine like terms: 16 + -2.1 = 13.9
13.9 + 7.8x + -7.9x = 0

Combine like terms: 7.8x + -7.9x = -0.1x
13.9 + -0.1x = 0

Solving
13.9 + -0.1x = 0

Solving for variable 'x'.

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

Add '-13.9' to each side of the equation.
13.9 + -13.9 + -0.1x = 0 + -13.9

Combine like terms: 13.9 + -13.9 = 0.0
0.0 + -0.1x = 0 + -13.9
-0.1x = 0 + -13.9

Combine like terms: 0 + -13.9 = -13.9
-0.1x = -13.9

Divide each side by '-0.1'.
x = 139

Simplifying
x = 139

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