1.

Statewhich of the following are equations (with a variable). Give reasonfor your answer. Identify the variable from the equations with avariable.(a) 17 = x+ 7 (b) (t − 7) > 5(c) (d) (7× 3) − 19 = 8 (e) 5 × 4 − 8 =2x (f) x − 2 = 0(g) 2m < 30 (h) 2n + 1 = 11(i) 7 = (11 × 5) − (12× 4) (j) 7 = (11 ×2) + p(k) 20 = 5y (l) (m) z + 12 > 24 (n) 20 − (10 − 5) = 3 ×5(o) 7 − x = 5

Answer»

State
which of the following are equations (with a variable). Give reason
for your answer. Identify the variable from the equations with a
variable.


(a) 17 = x
+ 7 (b) (t − 7) > 5



(c) (d) (7
× 3) − 19 = 8



(e) 5 × 4 − 8 =
2x (f) x − 2 = 0



(g) 2m < 30 (h) 2n + 1 = 11



(i) 7 = (11 × 5) − (12
× 4) (j) 7 = (11 ×
2) + p



(k) 20 = 5y (l)



(m) z + 12 > 24 (n) 20 − (10 − 5) = 3 ×
5



(o) 7 − x = 5



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