exam Maths Puzzle Numerical Ability

May I have some help with the following equation?

Solve the linear inequality. Express the solution using interval notation. )

2(-2x + 1) ≤ -8x - 22

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exam Other Question

hey

is 6-2(5-y)=6-10+2y true or false?

thanks
I need help factoring these polynomials completely.

20x squared - 7x - 6

ab - a - b + 1

and -8z squared + 48z - 72