Question

| x |+4=7 |x+6|=30 | x |-8=3 |4x - 7 | + 6 =11

Answer 1

(ΙxΙ=7,42 ΙxΙ =11,30 ΙxΙ = 19,18Ι7- 4 xΙ=11)
(ΙxΙ+4=11,42 ΙxΙ=11,2(15 ΙxΙ -4 )=11, 18 Ι4x-7Ι=11)