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Simplifying cos(2x) + -1cos(6x) = sin(8x) Remove parenthesis around (2x) cos * 2x + -1cos(6x) = sin(8x) Reorder the terms for easier multiplication: 2cos * x + -1cos(6x) = sin(8x) Multiply cos * x 2cosx + -1cos(6x) = sin(8x) Remove parenthesis around (6x) 2cosx + -1cos * 6x = sin(8x) Reorder the terms for easier multiplication: 2cosx + -1 * 6cos * x = sin(8x) Multiply -1 * 6 2cosx + -6cos * x = sin(8x) Multiply cos * x 2cosx + -6cosx = sin(8x) Combine like terms: 2cosx + -6cosx = -4cosx -4cosx = sin(8x) Remove parenthesis around (8x) -4cosx = ins * 8x Reorder the terms for easier multiplication: -4cosx = 8ins * x Multiply ins * x -4cosx = 8insx Solving -4cosx = 8insx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '-4osx'. c = -2ino^{-1}Simplifying c = -2ino^{-1}

| 4x+5-2x=20 | | 0.166666667(.75x-2)=-.2 | | 2x*(4x+2)-(9x+36)+18x=10x-11 | | 4-x+1=2 | | 18m+54=14m-42 | | -5y-2=4y-20 | | 2x-8=7-3x | | 5x+18=7x-12 | | 4y+3=6y+15 | | .75(3t-4)=15 | | x-19=-31 | | -(x+4)+9=6x-12(3x+2) | | 200x+100=3 | | 0.4x-1.5x=.75x+3 | | 4a+10(3+5a)=-3(8-12a) | | 3x+4y=z+22 | | 0=160x-80x^2 | | ln(x)=ln(16.6) | | 4[x-(4-x)]=7(x+1) | | 4.3+10m=7.87 | | 4x-10=6x+10 | | R(z^5-8)+(z^5-8)= | | 7=2.5ln(x+3) | | 0.67+4t=6t-0.133333333 | | -5(-5+8n)+6=31+3n | | f(x)=2.5ln(x+3) | | 8x-1=x-23 | | 10(2-x)=15 | | 53=8r-3 | | 2(5x-8)=20-8x | | 6x-6=27x+8 | | 32-8x=2(8-8x) | | 3=.36x | | 8-c=-15 | | (2x)+(30-5x)=90 | | 10(v+2)-2v=4(2v+4)-18 | | -4(n-6)=-6n+12 | | 6i(-3i+3)=0 | | 9x+0.5=36.5 | | n-6-3=-7 | | 1000=a*16945+b | | N=-18+m | | 3.2x=-27.52 | | a=105bh | | 52=-5d+7 | | 8=a*6+b | | x^2+3x+5=13 | | 0.7(y-5)=-3.5+0.7y | | 30x+24y=714 | | 3x+2x=-15 | | -10x-4(1+2x)=-12+8(-4x-6) | | 3t-6=2t+11 | | 30x+24=710 | | 9x^2+18x=14 | | 6+4n-3=7 | | -8(9-8x)=7(1-11x) | | p=(5x-2)+(6x-5)+x | | 0.7(w-1)=-0.45+0.7w | | x^3+12x^2-36x+32=0 | | 6+3.5x=-15 | | 7m-19=-96 | | -(x+4)-2x=8-(x-3) | | 0.2(x+4)=0.95+0.2x | | 6-2i-8-7i=0 | | Y=m(5)+b |

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