Question

Solve using Trial and Error Method

Answer 1

Answer:

m

× 2 + 2 ×2 = 8 × 2 .........multipling by 2

2

m + 4 = 16

m = 16 - 4

m = 12

4n - 2 = 18

4n = 18 + 2

4n = 20

n = 20 / 4

n = 5

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Answer 2

Step-by-step explanation:

$a) \: \frac{m}{2} + 2 = 8 \\ \\ \frac{m}{2} = 8 - 2 = 6 \\ \\ m \: = 6 \times 2 = 12 \\ \\ \\ \\ b) \: 4n - 2 = 18 \\ \\ 4n = 18 + 2 = 20 \\ \\ n = \frac{20}{4} = 5$