Question

Solve:

(i) x + 2 = 6

(ii) x + 6 = 2

(iii) y + 8 = 5

(iv) x + 4 = – 3

(v) y + 2 = – 8

Answer 1

(i) x + 2 = 6

x = 6 – 2

We get,

x = 4

Hence, the value of x for x + 2 is 4

(ii) x + 6 = 2

x = 2 – 6

We get,

x = = – 4

Hence, the value of x for x + 6 = 2 is – 4

(iii) y + 8 = 5

y = 5 – 8

We get,

y = – 3

Hence, the value of y for y + 8 = 5 is – 3

(iv) x + 4 = – 3

x = – 3 – 4

We get,

x = – 7

Hence, the value of x for x + 4 = – 3 is – 7

(v) y + 2 = – 8

y = – 8 – 2

We get,

y = – 10

Hence, the value of y for y + 2 = – 8 is – 10

Answer 2

Given :

(i) x + 2 = 6

(ii) x + 6 = 2

(iii) y + 8 = 5

(iv) x + 4 = – 3

(v) y + 2 = – 8

To Find : Solve for x and y

Solution:

(i) x + 2 = 6

Subtract 2 from both sides

=> x + 2 - 2 = 6 - 2

=> x = 4

(ii) x + 6 = 2

Subtract 6 from both sides

=> x + 6 - 6 = 2 - 6

=> x = -4

(iii) y + 8 = 5

Subtract 8 from both sides

=> y + 8 - 8 = 5 - 8

=> y = - 3

(iv) x + 4 = – 3

Subtract 4 from both sides

=> x + 4 - 4 = - 3 - 4

=> x = -7

(v) y + 2 = – 8

Subtract 2 from both sides

=> y + 2 - 2 = - 8 - 2

=> y = - 10

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