Changing the subject

Make x the subject of the formula.

y=x+6

• x=y+6

• x=y-6

• $x=\frac{y}{6}$

• x=6y

Make x the subject of the formula.

7x=y

• $x=\frac{y}{7}$

• x=7y

• x=7+y

• x=7-y

Make x the subject of the formula.

y=2x+8

• x=2y-8

• $x=\frac{y-8}{2}$

• x=8-y

• x=y-8

Make x the subject of the formula.

 $y=\frac{x}{3}$  

• x=3y

• x=y+3

• x=3/y

• x=y-3

 $\frac{m+7}{2}=y$  

Make m the subject of the formula.

• m=y-14

• m=7+2y

• m=2y+7

• m=2y-7

Make z the subject of the formula.

 $5=\frac{z}{a}$  

• z=5+a

• z=5a

• z=a-5

• z=5-a

Make p the subject of the formula.

x=6p+2

• p=6x-2

• $p=\frac{x-2}{6}$

• p=2x-6

• $p=\frac{x-6}{2}$

Make x the subject of the formula.

v=x+10t

• x=v+10t

• x=v-10t

• x=10t-v

• x=10tv

Make y the subject of the formula.

x=3y-z

• y=3x-z

• $y=\frac{x+z}{3}$

• $y=\frac{z-x}{3}$

• y=3z+x

Make m the subject of the formula.

 $36m=x^2$  

•  $m=\frac{x^2}{36}$  

•  $m=x^2-36$  

•  $m=36-x^2$  

•  $m=\frac{36}{x^2}$