0.3[4x-9]=-1.7

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Solution for 0.3[4x-9]=-1.7 equation: 


Simplifying
0.3[4x + -9] = -1.7

Reorder the terms:
0.3[-9 + 4x] = -1.7
[-9 * 0.3 + 4x * 0.3] = -1.7
[-2.7 + 1.2x] = -1.7

Solving
-2.7 + 1.2x = -1.7

Solving for variable 'x'.

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

Add '2.7' to each side of the equation.
-2.7 + 2.7 + 1.2x = -1.7 + 2.7

Combine like terms: -2.7 + 2.7 = 0.0
0.0 + 1.2x = -1.7 + 2.7
1.2x = -1.7 + 2.7

Combine like terms: -1.7 + 2.7 = 1
1.2x = 1

Divide each side by '1.2'.
x = 0.8333333333

Simplifying
x = 0.8333333333

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