123=5x-2(-2x-21)

Simple and best practice solution for 123=5x-2(-2x-21) 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 123=5x-2(-2x-21) equation:



123=5x-2(-2x-21)
We move all terms to the left:
123-(5x-2(-2x-21))=0
We calculate terms in parentheses: -(5x-2(-2x-21)), so:
5x-2(-2x-21)
We multiply parentheses
5x+4x+42
We add all the numbers together, and all the variables
9x+42
Back to the equation:
-(9x+42)
We get rid of parentheses
-9x-42+123=0
We add all the numbers together, and all the variables
-9x+81=0
We move all terms containing x to the left, all other terms to the right
-9x=-81
x=-81/-9
x=+9

See similar equations:

| 43-3.5-x+x+6=45.5 | | 30m=570 | | 6+3.50x+5.50=51 | | 1/3x+2=4x+2/3 | | -8(x+8)-9=73 | | 2=6+2a+6 | | 15+.25h=20+.05h | | -2x+15+3x+18=4 | | 13=2.50-3x | | -5=5(2x+5) | | 2(c-3)=5(c+1)-7 | | 10x-18-8x+13=5 | | 164=-4x-6(-4x+6) | | w+7=-24 | | -4(1-4e)=124 | | 5d+25(d*6)=2880 | | y+5/6=31/4 | | 1.9x=4.75 | | 32+4y-4=14y-14-3y | | 4x-2(x-4)=-9+4x+7 | | 3{x+2}=2{x+5} | | 3-1/2(r+9)=-11 | | -50=18-f | | 15=t=2 | | 16=6m-24-2m | | 85-2x=99+3x | | -112=-7(7-3a) | | 21x+10=13x+7 | | 9(x-3)=-5(x+2)+21 | | u-4/5=51/3 | | 0.3(12x–16)=0.4(12–3x) | | d/20+900+d/12=1200 |

Equations solver categories