sin y =cos 26
in
6x+9y=21
18x+6y=84
solve for x and y
leplace of cos $\sqrt{t}$ =?
2+2=
2(3x+1)=5(x-3)
$\sqrt{128}$ / 16 + $\sqrt{32}$
4x-3=2x+6
What is the solution set for x≥−5?
8y+7x=30
8y+3x=14
