cos(x)+3x=0

Simple and best practice solution for cos(x)+3x=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for cos(x)+3x=0 equation: 


Simplifying
cos(x) + 3x = 0

Multiply cos * x
cosx + 3x = 0

Solving
cosx + 3x = 0

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-3x' to each side of the equation.
cosx + 3x + -3x = 0 + -3x

Combine like terms: 3x + -3x = 0
cosx + 0 = 0 + -3x
cosx = 0 + -3x
Remove the zero:
cosx = -3x

Divide each side by 'osx'.
c = -3o-1s-1

Simplifying
c = -3o-1s-1

See similar equations:

| 16=-6y+4(y+6) | | y(x-8)=5 | | -2[x-4]+7=-3 | | 15=logx | | x(.36)+y(.14)=.2 | | 16b^2-24b+9=0 | | 3+5(9+2n)=48+5n | | 3r^2-14r+15=0 | | 0.6x+0.8=14 | | 0.01x=0.03 | | 2x^3-2x^2-96x=0 | | 3a^2+12a-96=0 | | 2*4y=3-y+6y | | -0.6-0.8y=0.30 | | 6a-4a+5=-2a | | 5x+3[x-1]=8[x+2]-10 | | 2cos(3x)+-5sin(3x)=1 | | x/40=0.4 | | 1/30/1/15=1/15/x | | g-(-3)=14 | | -6-x=30 | | 16p+18q+p-7q-6p= | | (x/30)*100=70 | | 6(6-6v)+5=185 | | 22/2=88/x | | 6(2-x)-7=16 | | b-65=-9b-5 | | 53.33333+0.96967(x)=9.878788+0.96967(x) | | 10(s-5)=-137 | | 3x-2x+7=14 | | 5q-5-(q-4)=5 | | 06x+0.8=1.4 |

Equations solver categories