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Simplifying 4 + 4cos(4x) = 0 Remove parenthesis around (4x) 4 + 4cos * 4x = 0 Reorder the terms for easier multiplication: 4 + 4 * 4cos * x = 0 Multiply 4 * 4 4 + 16cos * x = 0 Multiply cos * x 4 + 16cosx = 0 Solving 4 + 16cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 16cosx = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 16cosx = 0 + -4 16cosx = 0 + -4 Combine like terms: 0 + -4 = -4 16cosx = -4 Divide each side by '16osx'. c = -0.25o-1s-1x-1 Simplifying c = -0.25o-1s-1x-1
| 0.85x+170=x | | 0.85x-170=x | | exp(x)=10*x | | 14a+13b+4c+5c-5b-2a= | | 15p+15q+p-6q-7p= | | (43)(9)= | | 2(x-1)-1=7-3x | | 4(w+9)= | | 6a-7b-4a-2b= | | -8x^2+26x+15=0 | | 2x-3(x-2)=2(3-x)-5 | | 4a+2a=15 | | 6p+3=3(2p+1) | | 7x+14x^2+-42=0 | | 7x+14x*2-42=0 | | xy+5y-15=0 | | 6585-578+64746=743749 | | 6856856+765=948 | | 18-2(3m-1)=6+2(m+3)/2 | | 2(2b+1)/3=3(b-2) | | 1323a-4a=2481411 | | 1323a-4a=248141 | | 1323a-4a=24814 | | 1323a-4a=248 | | 1323a-4a=248a | | a-4a=248a | | a-4a=248 | | a+4a=248 | | 1+1a=3 | | -p^2+8p-16=0 | | 3x-(5x-15)= | | f(x)=-4x^2+16x-17 |