exam
Maths Puzzle
Numerical Ability
10x = 2y - 7
y=-5x + 3
HELP PLEASE!!!
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exam Other Question
Simplify each of the following expressions. Write your ansewers with positive exponents only.
(x^2)^-3(x^-2)/ (x^2)^-4
2x^2 - x = 6
my work; 2x^2 = 4x