Question

d) x + 7 =23
2. Find out how many variables are there in each one of the following equations
a) 3 x 5 - 10 = 5
b) 7x + 24 = 32
c) 2x + 3y - 7 = 10
d) x + y + z = 30
file (F)
(Ffor the following.​

Answer 1

Answer:

(a) 1

(b)1

(c)2

(d)3

.....

.............

..

Answer 2

Answer:

d) x= 23-7

x= 16

2)

a) 15-10=5

5=5.

hence, this is variable.