exam Maths Puzzle Numerical Ability

Please help me :(

6(x+2)+4x=5x-23

Thank you.

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exam Other Question

Anyone able to figure this one out? Thanks for your assistance.
What is the equation of the line through points (-3, 2) and (-4, 5)?
a. y= (-3/2)-7
b. y= -3x-7
c. y= -3x+7 y=a(x-h)2+k

what is the equation for the line symmetry for the graph of this function?

explain why it is not necessary to plot points to graph when using y=a(x-h)2+k