exam Maths Puzzle Numerical Ability

Solve the following system of linear inequalities by graphing.
3x+4y<=12
x+3y<=6
x>=0
y>=0

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exam Other Question

Please help!

Solve the following equation for x:

10x^2=9x+9

thanks,

Lackinmath
9/28 + 3/Z+2=3/4