0.9x-0.9(4-x)=6.3

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Solution for 0.9x-0.9(4-x)=6.3 equation:


Simplifying
0.9x + -0.9(4 + -1x) = 6.3
0.9x + (4 * -0.9 + -1x * -0.9) = 6.3
0.9x + (-3.6 + 0.9x) = 6.3

Reorder the terms:
-3.6 + 0.9x + 0.9x = 6.3

Combine like terms: 0.9x + 0.9x = 1.8x
-3.6 + 1.8x = 6.3

Solving
-3.6 + 1.8x = 6.3

Solving for variable 'x'.

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

Add '3.6' to each side of the equation.
-3.6 + 3.6 + 1.8x = 6.3 + 3.6

Combine like terms: -3.6 + 3.6 = 0.0
0.0 + 1.8x = 6.3 + 3.6
1.8x = 6.3 + 3.6

Combine like terms: 6.3 + 3.6 = 9.9
1.8x = 9.9

Divide each side by '1.8'.
x = 5.5

Simplifying
x = 5.5

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