Question

200-(ax4) = 120
(a+78):5+312=332 
Urgent!

Answer 1

200 - (a*4 ) = 120
200-120 = 80
80 : 4 = 20

(a+78) :5  + 312 = 332
(a+78) :5 = 332-312 = 20
(a+78 ) = 20 * 5= 100
a + 78 = 100
a= 100 - 78 =   22

PS: STELUTELE SUNT ORI

Answer 2

200-(ax4)=120
ax4=200-120
ax4=80
a=80:4
a=20

(a+78):5+312=332
(a+78):5=332-312
(a+78):5=20
(a+78)=20x5
a+78=100
a=100-78
a=22