Question

Determinal pe b 123+108:b:3-38=88

Answer 1

123+108:b:3-38=88    123+108:b:3=88+38      123+108:b:3=126      108:b:3=126-123  108:b:3=3    108:b=3x3    108:b=9    b=108:9    b=12          verific        123+108:12:3-38        123+9:3-38    123+3-38=88