exam
Maths Puzzle
Numerical Ability
Remove the parentheses in each of the following expressions and simplify when possible.
8d-(-7c-2d)
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exam Other Question
Is(5,-2) a solution of the system?
2x+6y=-2
2x+y=6
Solve this equalities: x + 8 > 20 (note there is a line under the greater than sign)