exam Maths Puzzle Numerical Ability

3(5+3)+3(9-5)/6*2^2-2*3^2
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2*3^3-2*5^2/4^2-(7+5)

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exam Other Question

write the equation of the line with slope -2 and y-intercept (0,0). Then graph the line.

0=-2*0+b
b=0
b=0 y-intercept


y=-2+0
y= -2x

double checking to see if i'm rig
(x/5x+10)+((x-3)/(x+2))=7/5

Solve for x