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75476
Linear Equations with unknowns on Both Sides
Description
GCSE Maths (Year 8 Algebra 3) Quiz on Linear Equations with unknowns on Both Sides, created by Ellen Billingham on 07/05/2013.
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maths
year 8 algebra 3
maths
year 8 algebra 3
gcse
Quiz by
Ellen Billingham
, updated more than 1 year ago
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Created by
Ellen Billingham
over 11 years ago
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Resource summary
Question 1
Question
What is the first thing you do to a linear equation with an x on both sides?
Answer
Get rid of the smaller x
Add them together
Question 2
Question
What is the essential rule for algebraic equations?
Answer
If you minus from one side, you add to the other
Always do the same to both sides of the equation
Question 3
Question
How would you work out 4y+2=2y+8
Answer
(-2y) 2y+2=8 (-2) 2y = 6 (divide by 2) y = 3
(-2) 4y = 2y+6 (-6) 4y - 6 = 2y (-4y) -6 = -2y (+6) 0 = -2y+6 (+2y) 2y = 6 (divide by 2) y = 3
Question 4
Question
What does n equal in this equation? 5n - 2 = n + 46
Answer
n = 12
n = 48
Question 5
Question
What does 3(y + 2) mean?
Answer
3y + 2
3y + 6
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