Solving two step linear equations | Maths | Quizalize & Oak National Academy

Starter quiz

An equation is used to show two expressions that are ______ to each other.
- 'equal' ✓
Work out the value of $13+7+(−7)$
- $6$
- $7$
- $13$ ✓
- $20$
Work out the value of ${20 \over 4}$
- $4$
- $5$ ✓
- $16$
- $20$
- $80$
Solve the equation $x + 9 = 21$
- $x=9$
- $x=12$ ✓
- $x=21$
- $x=30$
Solve the equation $5x = 15$
- $x=3$ ✓
- $x=5$
- $x=10$
- $x=75$
Solve the equation $7x = 3$
- $x=−4$
- $x={3\over7}$ ✓
- $x={7\over3}$
- $x=21$
- It can't be solved because $7$ is not divisible by $3$