Question

Q15.Verify each of the following:

a.12 x (2 x3) = (12 x 2 )x 3

b.(-12 + 7) + 6 = -12 + (7 + 6)​

Answer 1

Step-by-step explanation:

a)12*6 = 24*3

72=72

b)-5 +6 = -12 + 13

1 = 1

lhs = rhs

hence proved

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Answer 2

Answer:

verify

a. 12 × (2 × 3) = (12 × 2) × 3

12 × 6 = 24 × 3

72 = 72

b. (-12 + 7) + 6 = -12 + (7 + 6)

(-5) + 6 = (-12) + 13

1 = 1

Step-by-step explanation:

hope it helps you.