book
Maths Puzzle
Numerical Ability
I HOPE YOU CAN HELP
USE THE SUBSTITUTION METHOD TO SOLVE THE LINEAR SYSTEM
1. X + 2 = -5
4x -3y = 2
2. 3x - 2y =4
x + 3y = 5
3. 3x + y = -2
x + 3y = 2
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book Other Question
Solve and graph on a real number line:
2(3x-5)+ 7 > x + 12
simplify: x^2-6x+8/x^2+3x-28 * x^2+6x-7/x^2-3x+2