Question

3.Calculati-l pe a
a:3+(123x3-54x4)=357-124:4

Answer 1

a : 3 + ( 123 x 3 - 54 x 4 ) = 357 - 124 : 4
a : 3 + ( 369 - 216 ) = 357 - 31
a : 3 + 153 = 326
a : 3 = 326 - 153
a : 3 = 173
a = 173 x 3
a = 519

Answer 2

a:3+(369-216)=357-31
a:3+153=326
a:3=326-153
a=173x3
a=519