-3cos(2x)-7cos(X)-5=-7

Simple and best practice solution for -3cos(2x)-7cos(X)-5=-7 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 -3cos(2x)-7cos(X)-5=-7 equation:


Simplifying
-3cos(2x) + -7cos(X) + -5 = -7

Remove parenthesis around (2x)
-3cos * 2x + -7cos(X) + -5 = -7

Reorder the terms for easier multiplication:
-3 * 2cos * x + -7cos(X) + -5 = -7

Multiply -3 * 2
-6cos * x + -7cos(X) + -5 = -7

Multiply cos * x
-6cosx + -7cos(X) + -5 = -7

Multiply cos * X
-6cosx + -7cosX + -5 = -7

Reorder the terms:
-5 + -7cosX + -6cosx = -7

Solving
-5 + -7cosX + -6cosx = -7

Solving for variable 'c'.

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

Add '5' to each side of the equation.
-5 + -7cosX + 5 + -6cosx = -7 + 5

Reorder the terms:
-5 + 5 + -7cosX + -6cosx = -7 + 5

Combine like terms: -5 + 5 = 0
0 + -7cosX + -6cosx = -7 + 5
-7cosX + -6cosx = -7 + 5

Combine like terms: -7 + 5 = -2
-7cosX + -6cosx = -2

Reorder the terms:
2 + -7cosX + -6cosx = -2 + 2

Combine like terms: -2 + 2 = 0
2 + -7cosX + -6cosx = 0

The solution to this equation could not be determined.

See similar equations:

| 27x^2-25=0 | | (6x)/(4x) | | Y-10+y=22 | | 6c+5d+3c-2d= | | log(x)/4=-1/2 | | 2x-2=x-7 | | lg(x)/4=-1/2 | | 3(x+12)=24-5x | | 2x+17=x+17 | | Y=120-0.25x | | 5(x-1)-(x+2)=0 | | 7x+8=17-2 | | 11x+4=13x-2 | | 4x+17y=13 | | 2sinx-3cosx-2.5=0 | | 2(3x-1)-3(x+1)=0 | | 3x-2y-3z+7x-5y+9z= | | (x-34)= | | 6-x=3-4 | | a*3=15 | | (P-4)(2)=16 | | 4n^2+12n=160 | | 7x(2)-6=57 | | 4(x+3)=5x+3 | | 15=8x+7 | | -5qr*(-7pr^3)= | | 20x+7=127 | | 4x(2)-6=74 | | 4n^2-7=249 | | M(2)+7=6 | | 6x^2-5=481 | | B(2)=34 |

Equations solver categories