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Maths Puzzle
Numerical Ability
Solve a= v/t for t.
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book Other Question
The length of a rectangle is 6cm longer than its width. If the perimeter of the rectangle is 32cm, find its area. How Would you do this?
They are asking me to describe a first step for solving each system using elimination. Then solve each system.
3x-y=21
2x+y=4
3x+4=-10
5x-2y=18
2x-y=6
-3x+4y=1
x-y=12
x+y=22