1. Check which of the following are equations (with
variable). Also identify the variable in the equation.
am 12 = x+ 5
(by (2 5739
poste) 7 = (11 * 2) - (3 x 5)
(d) 7 = (11 x 2) + P
(e) 2 + 12324 No
07-*=5
(g) 15 – 27 =
(h) 20 - (10 - 5) + 4 = 8 x 3
( (1) 20 = 15y
(j) 40 - 10 x 2 = 27
(1) 23 + 5 = 17
m+
(0) 9-217
34/35
Z
Answers
Solution:
(a) It is an equation of variable as both sides are equal. The variable is x.
(b) It is not an equation as L.H.S. is greater than R.H.S.
(c) It is an equation with no variable. But it is a false equation.
(d) It is an equation with no variable. But it is a false equation.
(e) It is an equation of variable as both sides are equal. The variable is x.
(f) ) It is an equation of variable x.
(g) It is not an equation as L.H.S. is less than R.H.S.
(h) It is an equation of variable as both sides are equal. The variable is n.
(i) It is an equation with no variable as both sides are equal.
(j) It is an equation of variable p.
(k) It is an equation of variable y.
(l) It is not an equation as L.H.S. is less than R.H.S.
(m) It is not an equation as L.H.S. is greater than R.H.S.
(n) It is an equation with no variable.
(o) It is an equation of variable x.
Answer:
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