Question

20) Solve the following equations.

a) 2(x+3) = 8

b) (x +8)/ 2 = 4.​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Given,

a) 2(x + 3) = 8

b) $\sf\frac{(x+8)}{2}$ = 4

To Find :-

Value of 'x'.

Solution :-

a) 2(x + 3) = 8

2(x) + 2(3) = 8

2x + 6 = 8

2x = 8 - 6

2x = 2

x = $\sf\frac{2}{2}$

x = 1

$\sf\therefore$ value of x in 2(x + 3) = 8 is '1'.

b) $\sf\frac{(x+8)}{2}$ = 4

x + 8 = 4 × 2

x + 8 = 8

x = 8 - 8

x = 0

$\sf\therefore$ value of x in $\sf\frac{(x+8)}{2}$ = 4 is '0'

Verification :

a) 2(x + 3) = 8

we got x = 1

2(1 + 3) = 8

2(4) = 8

8 = 8

✓Hence Verified✓

b) $\sf\frac{(x+8)}{2}$ = 4

We got,

x = 0

$\sf\frac{(0 + 8)}{2}$ = 4

$\sf\frac{8}{2}$ = 4

4 = 4

✓Hence Verified✓