exam Maths Puzzle Numerical Ability

How would you write this rational expression in lowest terms?

5x-10/20-10x

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exam Other Question

1. How are addition and multiplication used to solve a linear equation? Demonstrate by solving "15x + 7 = 31 + 3x"


2. Translate the following into a system of equations, th
I don't have a problem to solve I just need some information on a couple of questions I have:
1) How do you compute the intercepts of a quadratic function?

2) What is the numbe