3. Algebra and Equations
Interactive practice questions
Consider the equation $-\frac{n}{9}=6$−n9=6.
a
Which of the following options will make $n$n the subject of the equation?
Add $-9$−9 to both sides
A
Multiply both sides by $-9$−9
B
Divide both sides by $-9$−9
C
Multiply both sides by $9$9
D
b
Apply the operation from part (a) to the equation to find the solution.
Enter each line of working as an equation.
Easy
2min
Consider the equation $5p=-35$5p=−35.
Easy
1min
Solve the equation $v+22=3$v+22=3.
Easy
< 1min
Solve the equation $p+3.6=6.2$p+3.6=6.2.
Easy
< 1min
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