Question

Solve for x

-0.3(0.7x - 0.9) = -1.83

A.) -10
B.) -1
C.) 1
D.) 10

Answer 1

Hello!

That problem looks pretty messy... let's clean it up! :D

so we have this   ----->  -0.3(0.7x - 0.9) = -1.83        let's get simplifying
 
-0.21x + 0.27 = -1.83    ----->    I distributed the -0.3 among 0.7x and -0.9
-0.21x = -2.1                  ----->    I subtracted 0.27 on both sides of the equation
x = 10                             ----->    I divided -0.21 on both sides of the equation

The answer you're looking for is D!

I hope this helps! :D

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