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Simplifying 2cos(2x) + 2cos(2x) = 0 Remove parenthesis around (2x) 2cos * 2x + 2cos(2x) = 0 Reorder the terms for easier multiplication: 2 * 2cos * x + 2cos(2x) = 0 Multiply 2 * 2 4cos * x + 2cos(2x) = 0 Multiply cos * x 4cosx + 2cos(2x) = 0 Remove parenthesis around (2x) 4cosx + 2cos * 2x = 0 Reorder the terms for easier multiplication: 4cosx + 2 * 2cos * x = 0 Multiply 2 * 2 4cosx + 4cos * x = 0 Multiply cos * x 4cosx + 4cosx = 0 Combine like terms: 4cosx + 4cosx = 8cosx 8cosx = 0 Solving 8cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '8'. cosx = 0 Simplifying cosx = 0 The solution to this equation could not be determined.
| 2(m-1)+3m-4+m=30 | | 8(x-192)=96 | | 0.13925=a+(a-0.07)*0.75 | | 3y-5y=19-17 | | 3+4(5y-1)+13=-10-2y | | x=5*25 | | (x+5)+(x+9)+x=56 | | 0.13925=Ru+(Ru-0.07)*0.75 | | 3y=8x+16 | | (x+5)+(9-x)+x=56 | | 2m-2+34-4+m=30 | | 5x+4x+2x=30 | | 7(5y-1)+13=10-2y | | x+(x+5)+(x-9)=56 | | 2sin(x-(pi/2)) | | (x+5)+(x-9)=56 | | 0.13925=x+(x-0.07)*0.75 | | (x+5)+(x/9)=56 | | 2y-y=2 | | 2x+3x+4x+x=360 | | 7(5y-1)+13=-10-2y | | 6x^3y^4/18xy^3 | | 2(4x+7)=4-2(x+5) | | 3y+15=45 | | 52/3x=34/9 | | .13x+x=19.21 | | 5y+13=-10-2y | | 25/0.5=50 | | -20=1+7t | | 52-2.3(67-60)=x | | 7n=(25+25)n | | 3(x+17)=133 |