Solve-i -7 - -3 -ii 16-8 -

Now,i) ( 7)×( 3)=21 ii) 16 8= 2 ...

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Byju's Answer

Standard VIII

Mathematics

Solving Equations with Linear Expressions on One Side and Numbers on the Other Side

Solve.i -7 ...

Question

Solve.
(i) $(- 7) \times (- 3) =$
(ii) $\frac{16}{(- 8)} =$

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Solution

Now,
i) $(- 7) \times (- 3) = 21$
ii) $\frac{16}{- 8} = - 2$

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Similar questions

Q. Solve.

(i)

|3 x - 5| = 1

(ii)

|7 - 2 x| = 5

(iii)

|\frac{8 - x}{2}| = 5

(iv)

|5 + \frac{x}{4}| = 5

Q. Solve.
(i)

| 3 x - 5 | = 1

Fill in the blanks.

(i) $(\frac{- 3}{17}) + (\frac{- 12}{5}) = (\frac{- 12}{5}) + (. . . . .)$

(ii) $- 9 + \frac{- 21}{8} = (. . . . . .) + (- 9)$

(iii) $(\frac{- 8}{13} + \frac{3}{7}) + (\frac{- 13}{4}) = (. . . . . .) + [\frac{3}{7} + (\frac{- 13}{4})]$

(iv) $- 12 + (\frac{7}{12} + \frac{- 9}{11}) = (- 12 + \frac{7}{12}) + (. . . . .)$

(v) $\frac{19}{- 5} + (\frac{- 3}{11} + \frac{- 7}{8}) = {\frac{19}{- 5} + (. . . . .)} + \frac{- 7}{8}$

(vi) $\frac{- 16}{7} + . . . . . = . . . . . . + \frac{- 16}{7} = \frac{- 16}{7}$

Q. Fill in the blanks:
(i) (−3) + (−9) = .......
(ii) (−7) + (−8) = .......
(iii) (−9) + 16 = .......
(iv) (−13) + 25 = .......
(v) 8 + (−17) = .......
(vi) 2 + (−12) = .......

Verify the following :

(i) $\frac{3}{7} \times (\frac{5}{6} + \frac{12}{13}) = (\frac{3}{7} \times \frac{5}{6}) + (\frac{3}{7} \times \frac{12}{13})$
(ii) $\frac{- 15}{4} \times (\frac{3}{7} + \frac{- 12}{5}) = (\frac{- 15}{4} \times \frac{3}{7}) + (\frac{- 15}{4} \times \frac{- 12}{5})$
(iii) $(\frac{- 8}{3} + \frac{- 13}{12}) \times \frac{5}{6} = (\frac{- 8}{3} \times \frac{5}{6}) + (\frac{- 13}{12} \times \frac{5}{6})$
(iv) $\frac{- 16}{7} \times (\frac{- 8}{9} + \frac{- 7}{6}) = (\frac{- 16}{7} \times \frac{- 8}{9}) + (\frac{- 16}{7} \times \frac{- 7}{6})$

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Solve.(i) (−7)×(−3)=______(ii) 16(−8)=______

Now,i) (−7)×(−3)=21ii) 16−8=−2

Solve.
(i) $(- 7) \times (- 3) =$
(ii) $\frac{16}{(- 8)} =$

Now,
i) $(- 7) \times (- 3) = 21$
ii) $\frac{16}{- 8} = - 2$