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Simplifying Cos(x) + cos(5x) = cos(3x) + cos(7x) Multiply osC * x osxC + cos(5x) = cos(3x) + cos(7x) Remove parenthesis around (5x) osxC + cos * 5x = cos(3x) + cos(7x) Reorder the terms for easier multiplication: osxC + 5cos * x = cos(3x) + cos(7x) Multiply cos * x osxC + 5cosx = cos(3x) + cos(7x) Reorder the terms: 5cosx + osxC = cos(3x) + cos(7x) Remove parenthesis around (3x) 5cosx + osxC = cos * 3x + cos(7x) Reorder the terms for easier multiplication: 5cosx + osxC = 3cos * x + cos(7x) Multiply cos * x 5cosx + osxC = 3cosx + cos(7x) Remove parenthesis around (7x) 5cosx + osxC = 3cosx + cos * 7x Reorder the terms for easier multiplication: 5cosx + osxC = 3cosx + 7cos * x Multiply cos * x 5cosx + osxC = 3cosx + 7cosx Combine like terms: 3cosx + 7cosx = 10cosx 5cosx + osxC = 10cosx Solving 5cosx + osxC = 10cosx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-10cosx' to each side of the equation. 5cosx + -10cosx + osxC = 10cosx + -10cosx Combine like terms: 5cosx + -10cosx = -5cosx -5cosx + osxC = 10cosx + -10cosx Combine like terms: 10cosx + -10cosx = 0 -5cosx + osxC = 0 Add '-1osxC' to each side of the equation. -5cosx + osxC + -1osxC = 0 + -1osxC Combine like terms: osxC + -1osxC = 0 -5cosx + 0 = 0 + -1osxC -5cosx = 0 + -1osxC Remove the zero: -5cosx = -1osxC Divide each side by '-5osx'. c = 0.2C Simplifying c = 0.2C
| 3x^3+5x^2-6x+8=0 | | 2(x-5)=2x-7 | | 143=5(4-6x)+3 | | 3x+y=34 | | 0.4b+92=10 | | x^2+90=100 | | 4(5x-4)=4x+28 | | x^2+90=115 | | f(3)=-15x^2+15-x | | -8(1-2p)=-36+2p | | 7x+2=6-3 | | y+8=.5(x-3) | | -3(1-3b)=-38+2b | | 5-6(n-2)=16-5n | | 5(x+3)=2(6-2x) | | y-10=6(x-8) | | Ln(x+6)-ln(x-4)=lnx | | 2x+3=4(x+5) | | 9-6x^2+2x^2=0 | | y=0.3*(5) | | 2x+-3=x+2 | | -13=-1x-x | | 2x-x-3=4y+y+7 | | 9(5x-2)=7(3x+4) | | n=p+cr | | 4(7s+7)= | | 7m-3(m+1)= | | 5(2)+5x= | | -16t^2+64t+12=40 | | 6q+5=2q+17 | | y=-x^2-21x+22 | | y=-x^2-21x-22 |