Question

a) 2×a+3=17

b) 4×b+7=27

c) 9+3×c=51

d) 5×d=75

e) e×6=144

f) 2×4×f=320

g) 5×g:(2x)=6

Answer 1

a)2a=14
a=7
b)4b=20
b=5
c)3c=42
c=14
d)d=15
e)e=24
f)f=40
g)g= 12x/5

Answer 2

a)
2×a+3=17
2×a=17-3
2×a=14
a=14:2
a=7


b)
4×b+7=27
4×b=27-7
4×b=20
b=20:4
b=5


c)
9+3×c=51
3×c=51-9
3×c=42
c=42:3
c=14


d)
5×d=75
d=75:5
d=15


e)
e×6=144
e=144:6
e=24


f)
2×4×f=320
8×f=320
f=320:8
f=40

La punctul g cred ca ceva nu este scris corect.