Question

Dau coronita îmi trebuie urgent! ! ! ! ! ! ! ! ! ! !

Answer 1

6+[15-(8:ax7+7)]x5=8:(1x4)+3x3

6+[15-(8:ax7+7)]x5=8:4+9

6+[15-(8:ax7+7)]x5=11

[15-(8:ax7+7)]x5=11-6=5

15-(8:ax7+7)=5:5=1

8:ax7+7=15-1=14

8:ax7=14-7=7

8:a=7:7

8:a=1

a=8:1

a=8