exam Maths Puzzle Numerical Ability

11. 5( 2q - 1) = -5 + 10q?

Can someone help with this equation?

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exam Other Question

Find all the positive values for k for which each of the following can factored.


x^2+x-k.


please explain to me how to solve this problem and thank you in advance.
1. Graph y >- 3 - x.


2.Graph the solution set
{3x+2y>-6
2x-3y<6