exam
Maths Puzzle
Numerical Ability
what is the answer to using addition on #1 and #2 and on #3 using substituion
#1)x + 2y =5 #2)5x -4y =1 #3) 7x + y = 1
3x +4y =1 -10x + 8y = -3 3x + 2y= -9
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exam Other Question
using each of these numbers once ( 15,4,10,19,22 ) with any combination of the operations of multiplication, addition, substraction, or division to make a true equation equaling 1.
4/3x-2 - 1/2x-3=5/6x+3