7. Linear Equations and Inequalities
iGCSE (2021 Edition)
7.02 Solutions to equations
Interactive practice questions
Consider the equation $u+33=48$u+33=48.
a
Substitute $u=22$u=22 into $u+33$u+33 to find the value of the left-hand side of the equation.
b
Is $u=22$u=22 a solution of $u+33=48$u+33=48?
Yes
A
No
B
Easy
1min
Consider the equation $t-32=31$t−32=31.
Easy
1min
Consider the equation $48-v=11$48−v=11.
Easy
< 1min
Consider the equation $7r=63$7r=63.
Easy
< 1min
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