-1=7-k-k

Simple and best practice solution for -1=7-k-k 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 -1=7-k-k equation:


Simplifying
-1 = 7 + -1k + -1k

Combine like terms: -1k + -1k = -2k
-1 = 7 + -2k

Solving
-1 = 7 + -2k

Solving for variable 'k'.

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

Add '2k' to each side of the equation.
-1 + 2k = 7 + -2k + 2k

Combine like terms: -2k + 2k = 0
-1 + 2k = 7 + 0
-1 + 2k = 7

Add '1' to each side of the equation.
-1 + 1 + 2k = 7 + 1

Combine like terms: -1 + 1 = 0
0 + 2k = 7 + 1
2k = 7 + 1

Combine like terms: 7 + 1 = 8
2k = 8

Divide each side by '2'.
k = 4

Simplifying
k = 4

See similar equations:

| 2(4)-5-3(2(4)-7)=2(3(4)-5)-4 | | (15d+20)-(18d-12)=38 | | 7=-2/x | | 2+4=x-9 | | -18+x=53 | | B=9/8(j-69) | | 1/10=3/20-3x | | -4-2x=13 | | 7p^3+9p^2-7+3p^3-9p+8= | | 12f=115.2 | | (x+4y)(x-3)= | | 5(1+x)=2(7+x) | | 8.2-7d=-50.67 | | 540/5 | | 2x1/2x=10 | | 3(x-2)=5x-2x+6 | | 38-x=217 | | -6x-8=-74 | | 8(g+7)=96 | | 1 = u+7-3 | | x-5+2+1=8 | | x-5+3+1=8 | | 1-5a=-4 | | 1/4x^-9/25y^2 | | 5a+5=2a-10 | | 2/3d==-10 | | x=1/2,y=-1,z=2 | | 3g^2+11g-70=0 | | 3z-5=43 | | 2/3x-4/5=2/7 | | 1/8w#3 | | B=F/S-V |

Equations solver categories