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Lesson details
Key learning points
- In this lesson, we will learn to solve simultaneous equations algebraically. We will interpret pictorial representations of equations and write them as simultaneous algebraic equations.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
If x=2 and y=3, what is the value of 2x+3y?
12
4x+9y
5
Q2.
Is x=3 the solution to 2x+7=13?
no
Q3.
Use substitution to decide which of the following are solutions to x+y=3.
x=3 and y=0
y=1 and x=1
Q4.
Use substitution to decide which of the following is the solution to x+y=3 and 3x+4y=10.
x=1 and y = 2
x=3 and y=4
x=4 and y=-0.5
Q5.
Use substitution to decide which of the following is the solution to x+y=3 and 5y+3x=15.
x=1 and y=2
x=1.5 and y = 1.5
x=2 and y=1
5 Questions
Q1.
If x=3 and 2x+5y=41, what is the value of y?
3
5
7.8
Q2.
7x+2y=24 AND 4x+2y=18. Find the value of 3x
2
5
7
Q3.
7x+2y=24 AND 4x + 2y = 18. Find the value of y
2
6
7
Q4.
9x +6y=168 AND 9x +4y=160. Solve
Others
x=15 and y = 18
x=9 and y=6
y=16 and x=4
Q5.
4x +8y=116 AND 4x +4y=68. Solve
x=12 and y=5
x=4 and y = 8
x=8 and y = 4