Changing the subject Flashcards
1
Q
Make a the subject:
8a=16x
A
8a=16x
/8 /8
a=2x
2
Q
Make a the subject:
a/6=2x
A
a/6=2x
x6 x6
a=12x
3
Q
Make a the subject:
a/5=2x-5
A
a/5=2x-5
x5 x5
a=10x-25
4
Q
Make y the subject:
y-p=m
A
y-p=m
+p +p
y=m+p
5
Q
Make y the subject:
y-2g=t
A
y-2g=t
+2g +2g
y=t+2g
6
Q
Make y the subject:
ay=w
A
ay=w
/a /a
y=w/a
7
Q
Make y the subject:
y/a=2c
A
y/a=2c
xa xa
y=2ac
8
Q
Make y the subject:
n-y=t
A
n-y=t
+y +y
n=t+y
-t -t
y=n-t
9
Q
Make y the subject:
u/y=w
A
u/y=w
x y x y
u=wy
/w /w
u/w=y
10
Q
Make y the subject:
y/8 +3= r
A
y/8 +3= r
x8 x8
y+24= 8r
-24 -24
y = 8r - 24
