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Simplifying 2x + -4cos(2x) = 0 Remove parenthesis around (2x) 2x + -4cos * 2x = 0 Reorder the terms for easier multiplication: 2x + -4 * 2cos * x = 0 Multiply -4 * 2 2x + -8cos * x = 0 Multiply cos * x 2x + -8cosx = 0 Reorder the terms: -8cosx + 2x = 0 Solving -8cosx + 2x = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2x' to each side of the equation. -8cosx + 2x + -2x = 0 + -2x Combine like terms: 2x + -2x = 0 -8cosx + 0 = 0 + -2x -8cosx = 0 + -2x Remove the zero: -8cosx = -2x Divide each side by '-8osx'. c = 0.25o-1s-1 Simplifying c = 0.25o-1s-1
| 7/8n=14 | | 3s=10.8 | | 15x+22=-7+18 | | F(x)=7/x | | -1=y-3 | | 2x^2+18x+20=-8 | | (9r-5)-(-4r+9)= | | 11=3−4/3x | | 1.5x+1.5x=x+1 | | 7+84=940 | | 10+5=50+5 | | 6z-z=6z+2+5z | | 10(x+2)=9x | | 1-3v^2-2v^3=0 | | 5(x+15)=50 | | x/38=.97 | | -0.3=p+-9.3 | | p-6.1=3.9 | | 19.92=4z | | Y=x^2+7-3 | | 14=-4g | | d-1.12=1.88 | | -2(-10x-4)+4= | | 10c+7c=4 | | 30x-22= | | u+1.6=6.3 | | -6(x-2)+2= | | 29x/2x=10 | | j-13.58=-13.28 | | 8/2y-13=-5 | | f/3=2.91 | | F(x)=m(-1)+2 |