0.7x-0.9(6-x)=1.8

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Solution for 0.7x-0.9(6-x)=1.8 equation: 


Simplifying
0.7x + -0.9(6 + -1x) = 1.8
0.7x + (6 * -0.9 + -1x * -0.9) = 1.8
0.7x + (-5.4 + 0.9x) = 1.8

Reorder the terms:
-5.4 + 0.7x + 0.9x = 1.8

Combine like terms: 0.7x + 0.9x = 1.6x
-5.4 + 1.6x = 1.8

Solving
-5.4 + 1.6x = 1.8

Solving for variable 'x'.

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

Add '5.4' to each side of the equation.
-5.4 + 5.4 + 1.6x = 1.8 + 5.4

Combine like terms: -5.4 + 5.4 = 0.0
0.0 + 1.6x = 1.8 + 5.4
1.6x = 1.8 + 5.4

Combine like terms: 1.8 + 5.4 = 7.2
1.6x = 7.2

Divide each side by '1.6'.
x = 4.5

Simplifying
x = 4.5

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