30k+90=20k=120

Simple and best practice solution for 30k+90=20k=120 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 30k+90=20k=120 equation: 



30k+90=20k=120

We move all terms to the left:

30k+90-(20k)=0

We add all the numbers together, and all the variables

10k+90=0

We move all terms containing k to the left, all other terms to the right

10k=-90

k=-90/10

k=-9

See similar equations:

| 2÷x+2=5÷3x-1 | | 6x+3=-4+7x | | 10+y=-10-y | | 0.2x^2=6.3x^2-7.2 | | 6d-11/2=2d-13/3 | | 2^5(g-7)=3 | | a-2.8=-2.1 | | 67+c=112 | | x/5-x/2=40 | | 1/2x+2/3=3/4x-5/6 | | 10x-32=138 | | 8b=1=-13-3b+5b | | 588=-21x | | Q+2•7=2q-11•5 | | -3(2s-1)-3=-3(9s+4)-5 | | 8b-1=-13-3b+5b | | 11x-16=57 | | -6(x+8)=-6x+12 | | 1/3x-14=3 | | 5b+5=23 | | 10x=100=7x+37 | | X+14=5x-38 | | 10k-10=8k | | 5x-70=105 | | 2x=65-2x | | 103=4(1-6k)+4 | | 15x-2(30+40x)=22x | | x/4+x/2=12 | | 2.4=1.4x-7.4 | | x/4+x/2=1 | | -x+3/4+4x=135/4 | | x2+7x+2=0. |

Equations solver categories