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cos(30*x)
-6/5 = (-3/7)*w
-9 = (9/4)*w
(5/6)*x = 5/3
3*(3/2) = 0
| 20a-30=70 | | 18a-30=60 | | 7y-1(2)=3y(2)+5 | | 20f=147 | | 25g=625 | | 14x+3(y+1)=6 | | 24f=108 | | X=(5x+12) | | 36c=72 | | d-596=282 | | 363-t=147 | | 1(x-3)-1(x-2)=1(2) | | t+334=1714 | | 2.1=0.5(-2.7)+3.5 | | 9x+3+7x+1= | | u+82.7=90.1 | | 297-x=125 | | 2.1=0.5(2.7)+3.5 | | 182+u=901 | | 10(x-y)+14y=15 | | 2.7=0.5(2.1)+3.5 | | p+271=573 | | 11-6a=10 | | 4+5-2(x-2)=2(3x) | | 2.7=0.5(-2.2)+3.5 | | ax^2-6x-1=0 | | (×-9)/3=5/13 | | 6x+5y=-55 | | 3x^2-9x-45=0 | | (x+1)(x-4)=x+7 | | 12+3y=-4 | | 5s-8t=13 |