Question

62+x=408 29+x-15=63 (x+1)×=72 (x+7)×12=144​

Answer 1

Explicație pas cu pas:

62 + x = 408

x = 408 - 62

x = 346

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29 + x - 15 =63

29 + x = 63 + 15

29 + x = 78

x = 78 - 29

x = 49

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(x + 7) × 12 = 144

x + 7 = 144 : 12

x + 7 = 12

x = 12 - 7

x = 5

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