Question

a)
$2 \times + 5 = 27$
b)
$4 \times - 8 = 2 \times 6$
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Answer 1

2x + 5 = 27

2x = 27 - 5

x = 22 / 2

x = 11

4x - 8 = 2 × 6

4x - 8 = 12

4x = 12 + 8

4x = 20

x = 20 / 4

x = 5