If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-21x+12x=3(-9-4x)
We move all terms to the left:
-21x+12x-(3(-9-4x))=0
We add all the numbers together, and all the variables
-21x+12x-(3(-4x-9))=0
We add all the numbers together, and all the variables
-9x-(3(-4x-9))=0
We calculate terms in parentheses: -(3(-4x-9)), so:We get rid of parentheses
3(-4x-9)
We multiply parentheses
-12x-27
Back to the equation:
-(-12x-27)
-9x+12x+27=0
We add all the numbers together, and all the variables
3x+27=0
We move all terms containing x to the left, all other terms to the right
3x=-27
x=-27/3
x=-9
| 8k−5(−5k+3)=8k−5(−5k+3) | | 60–t=7 | | x2–x–3=0 | | -31-3x=212 | | 11x+28-6x=-21-2x | | 2x+-2x^-3=0 | | 3x+4-5=37 | | q=26+34 | | 65=3x-10 | | 25–3f=19 | | c9= 8 | | 4(2x+2)=40 | | 23+7p=72 | | 1a+6a=49 | | 15/28=45/x | | x^2+x^-2=0 | | b–23=24 | | -31-3x=12 | | 8j+13=29 | | x2=–7x–8 | | h+11=52 | | 9-u=8 | | 7-3(n+4)=19+5n | | 2.9(x-1.8)=12.76 | | d=98+2 | | 2(x−3)+7x=9x−6 | | 11x+7-6x=-56-2x | | 84=21+7b | | -3+5(x+6)=36 | | 3r=45 | | 5(5x+3)=140 | | z=49+51 |