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Maths Puzzle
Numerical Ability
Increaing a number by five and then doubling the outcome is the same same as decresing the number by twelve
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The worksheet says:
Use substitution to solve each system of equations. If the system does not have exactly one solution, state whether it has no solution or infinitely many solutions.
The problem:
3x-y=4
2x-3y=-9
Use method to simplify each complex fraction
1. 12 / x -1 / 6 / x
2. 2/s - 3/t / 4t^2 - 9s^2 /st