-3.9=10(x)+-11(1-x)

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Solution for -3.9=10(x)+-11(1-x) equation: 


Simplifying
-3.9 = 10(x) + -11(1 + -1x)
-3.9 = 10x + (1 * -11 + -1x * -11)
-3.9 = 10x + (-11 + 11x)

Reorder the terms:
-3.9 = -11 + 10x + 11x

Combine like terms: 10x + 11x = 21x
-3.9 = -11 + 21x

Solving
-3.9 = -11 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-3.9 + -21x = -11 + 21x + -21x

Combine like terms: 21x + -21x = 0
-3.9 + -21x = -11 + 0
-3.9 + -21x = -11

Add '3.9' to each side of the equation.
-3.9 + 3.9 + -21x = -11 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + -21x = -11 + 3.9
-21x = -11 + 3.9

Combine like terms: -11 + 3.9 = -7.1
-21x = -7.1

Divide each side by '-21'.
x = 0.3380952381

Simplifying
x = 0.3380952381

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