2+0.8x-5=0.9x+2.1

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Solution for 2+0.8x-5=0.9x+2.1 equation:


Simplifying
2 + 0.8x + -5 = 0.9x + 2.1

Reorder the terms:
2 + -5 + 0.8x = 0.9x + 2.1

Combine like terms: 2 + -5 = -3
-3 + 0.8x = 0.9x + 2.1

Reorder the terms:
-3 + 0.8x = 2.1 + 0.9x

Solving
-3 + 0.8x = 2.1 + 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
-3 + 0.8x + -0.9x = 2.1 + 0.9x + -0.9x

Combine like terms: 0.8x + -0.9x = -0.1x
-3 + -0.1x = 2.1 + 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
-3 + -0.1x = 2.1 + 0.0
-3 + -0.1x = 2.1

Add '3' to each side of the equation.
-3 + 3 + -0.1x = 2.1 + 3

Combine like terms: -3 + 3 = 0
0 + -0.1x = 2.1 + 3
-0.1x = 2.1 + 3

Combine like terms: 2.1 + 3 = 5.1
-0.1x = 5.1

Divide each side by '-0.1'.
x = -51

Simplifying
x = -51

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