Question 19

$x - 4 = - 2$ has a solution

(a) 6

(b) 2

(c) - 6

(d) - 2

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Solution

Option (b).

Given equation is $x - 4 = - 2$

Adding +4 to both sides of the equation so that we get the value of $x$ , we have

$x - 4 + 4 = - 2 + 4$

$\Rightarrow x = 2$

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Question 18

$\frac{q}{2} = 3$ has a solution

(a) 6

(b) 8

(d) 2

Question 18

$\frac{q}{2} = 3$ has a solution

(a) 6

(b) 8

(d) 2

A g_{2} C O_{3} (K_{s p} = 4 \times 10^{- 13})

0.1 M N a_{2} C O_{3}

$\sqrt[4]{\sqrt[3]{2^{2}}}$ equals to

A.) $2^{\frac{- 1}{6}}$
B.) $2^{- 6}$
C.) $2^{\frac{1}{6}}$
D.) $2^{6}$

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