21=-2(9c+7)

Simple and best practice solution for 21=-2(9c+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 21=-2(9c+7) equation:


Simplifying
21 = -2(9c + 7)

Reorder the terms:
21 = -2(7 + 9c)
21 = (7 * -2 + 9c * -2)
21 = (-14 + -18c)

Solving
21 = -14 + -18c

Solving for variable 'c'.

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

Add '18c' to each side of the equation.
21 + 18c = -14 + -18c + 18c

Combine like terms: -18c + 18c = 0
21 + 18c = -14 + 0
21 + 18c = -14

Add '-21' to each side of the equation.
21 + -21 + 18c = -14 + -21

Combine like terms: 21 + -21 = 0
0 + 18c = -14 + -21
18c = -14 + -21

Combine like terms: -14 + -21 = -35
18c = -35

Divide each side by '18'.
c = -1.944444444

Simplifying
c = -1.944444444

See similar equations:

| 3.2(x+3)=20 | | 2x+15=485 | | 3x+.5=-4 | | v-19=39 | | 4s-(6s+6)=74 | | g-55/8=4 | | 6(v-6)-4=-6(-2v+7)-2v | | n+12=36 | | 40x+15y=50 | | 40x+15y=1125 | | -2(r+4)+6=-10 | | 3(2+9k)=26 | | (1+I)(2+3i)(3+7I)= | | -8+8a=-24 | | -4/3-5 | | 16x+80=-80 | | 7x-2y+5x+2y=180 | | -5x+16=2x-12-3x | | x+15=500 | | 11c+10=6c-2 | | 2k^3+7k^2+12k+42= | | 3q-9=43 | | -x-x=-16+2x+6+x | | n+12.8= | | 40+15=50 | | -1/3(4/1)-5 | | g(x)=-4x+5 | | 48=3(b^2) | | 8x-8=91 | | 6-p=-33 | | 49n^3+7n^2+1= | | 180/80 |

Equations solver categories