Question

Q.4) Solve the equations:

(a) 3(x−1) +7=11​

Answer 1

Answer:

3x - 3 + 7 = 11

3x - 10 = 11

3x = 11 + 10

3x= 21

X = 21/3

x = 7

Answer 2

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> $3\: (x\: -\: 1)\: +\: 7\: =\: 11$

> $3x\: -\: 3\: +\: 7\: =\: 11$

> $3x\: -\: 10\: =\: 11$

> $3x\: =\: 11\: +\: 10$

> $3x\: =\: 21$

> $x\: =\: \frac{21}{3}$

> $x\: =\: 7$

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