.8x-1.5=.9

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Solution for .8x-1.5=.9 equation: 


Simplifying
0.8x + -1.5 = 0.9

Reorder the terms:
-1.5 + 0.8x = 0.9

Solving
-1.5 + 0.8x = 0.9

Solving for variable 'x'.

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

Add '1.5' to each side of the equation.
-1.5 + 1.5 + 0.8x = 0.9 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 0.8x = 0.9 + 1.5
0.8x = 0.9 + 1.5

Combine like terms: 0.9 + 1.5 = 2.4
0.8x = 2.4

Divide each side by '0.8'.
x = 3

Simplifying
x = 3

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