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Mathematics

Grade-8

Easy

Question

What is the value of x in the equation ax + b = 0?

$X = \frac{b}{a}$
$X = \frac{a}{b}$
$X = \frac{- b}{a}$
X = ba

The correct answer is: $X equals fraction numerator negative b over denominator a end fraction$

ax + b = 0
$a x space equals space 0 space minus space b a x space equals space minus b x space equals space fraction numerator negative b over denominator a end fraction$
Thus, the value of x in the equation ax + b = 0 is -b/a

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