0.78x-2=0.8x+8.4

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Solution for 0.78x-2=0.8x+8.4 equation:


Simplifying
0.78x + -2 = 0.8x + 8.4

Reorder the terms:
-2 + 0.78x = 0.8x + 8.4

Reorder the terms:
-2 + 0.78x = 8.4 + 0.8x

Solving
-2 + 0.78x = 8.4 + 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
-2 + 0.78x + -0.8x = 8.4 + 0.8x + -0.8x

Combine like terms: 0.78x + -0.8x = -0.02x
-2 + -0.02x = 8.4 + 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
-2 + -0.02x = 8.4 + 0.0
-2 + -0.02x = 8.4

Add '2' to each side of the equation.
-2 + 2 + -0.02x = 8.4 + 2

Combine like terms: -2 + 2 = 0
0 + -0.02x = 8.4 + 2
-0.02x = 8.4 + 2

Combine like terms: 8.4 + 2 = 10.4
-0.02x = 10.4

Divide each side by '-0.02'.
x = -520

Simplifying
x = -520

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