exam Maths Puzzle Numerical Ability

How doe you solve these 4/a-7=-2a/a+3

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exam Other Question

can someone please help me with this question;

Find and simplify the difference quotient f(x+h)-f(x) / h , h =(with slash through the = sign) 0 for the given function.

f(x) = 3x - 9

a. 3 + 6(x-9)/h
b. 0
c. 3
d. 3 + -18/h can someone Please show me how to solve inequality, giving its solution set in both intervals and graph forms, and check my answer? Thanks!

-(9 + k) - 5 + 4K > (or equal to) 4