-21=4x-3(2x+15)

Simple and best practice solution for -21=4x-3(2x+15) 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=4x-3(2x+15) equation:



-21=4x-3(2x+15)
We move all terms to the left:
-21-(4x-3(2x+15))=0
We calculate terms in parentheses: -(4x-3(2x+15)), so:
4x-3(2x+15)
We multiply parentheses
4x-6x-45
We add all the numbers together, and all the variables
-2x-45
Back to the equation:
-(-2x-45)
We get rid of parentheses
2x+45-21=0
We add all the numbers together, and all the variables
2x+24=0
We move all terms containing x to the left, all other terms to the right
2x=-24
x=-24/2
x=-12

See similar equations:

| z/5+4=-76 | | 7x+2x+92=2 | | 7f=-10-3f | | k/6+4=16 | | 12x+27=180 | | -9=2/3h | | ​5x+13=5x+23 | | 5x+5=3+2x+2+3x | | 3/4n=5+1/2n | | 2b=4/5 | | -x-6x=-91 | | 128/x=68 | | 6{3a-2}+5a=57 | | 5v=30-v | | 9x+7×+14x=180 | | -8u+3(u-7)=-16 | | -2x+35+21x=35 | | 11u=8u+27 | | 13-9x-5x^2=9 | | 6+8y=180 | | -x-12x+9=-4 | | 2x+19=x+11 | | -4x+19x+14=59 | | 8w+12=104 | | 27x-8=127 | | 3(2x+4)=6(5x+2)) | | 20-3m=-34 | | 2x+5(3x+6)=-140 | | -1/8x-7=-3 | | 3b-6=2b+6 | | 1/2x+4=31/2x+13 | | 65+20x-4x=81 |

Equations solver categories