exam
Maths Puzzle
Numerical Ability
when solving inequalities, how do you know whether to subtract or to add on
both sides? for example, 5x-4<6x+2.
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exam Other Question
Solve each system by the addition method
2x+3y+11
7x-4y+6
and
2x-y=-5
3x+2y=3
1. b+17 - 1 = b-2
b²-1 b+1 b-1
2. solve for a 1/a + 1/b = 1/f
3. 5x²-9=2x