If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-21-8a=-1+7(4-5a)
We move all terms to the left:
-21-8a-(-1+7(4-5a))=0
We add all the numbers together, and all the variables
-8a-(-1+7(-5a+4))-21=0
We calculate terms in parentheses: -(-1+7(-5a+4)), so:We get rid of parentheses
-1+7(-5a+4)
determiningTheFunctionDomain 7(-5a+4)-1
We multiply parentheses
-35a+28-1
We add all the numbers together, and all the variables
-35a+27
Back to the equation:
-(-35a+27)
-8a+35a-27-21=0
We add all the numbers together, and all the variables
27a-48=0
We move all terms containing a to the left, all other terms to the right
27a=48
a=48/27
a=1+7/9
| 11x-3000=x | | 3(h-12)=15 | | -15-8x+6x=x=2 | | -(7-x)+4(-6x-2)=-2x-9x | | 3x+5-x+10-x=12 | | 7x+3-4=18 | | z/5-–16=24 | | n/2-16=-25 | | H(t)=16t2+24t+18 | | x+72-2x=60 | | 5(2x+3)=7(1x+1) | | -6+5x=-1+6x | | 3.58b-0.245=8.347 | | 21=15x-8x | | 3s=9+6s | | 2.5x+0.5x=0.25+3.5x | | 5x+24+1=5 | | 4(1/2x-1/4)=2x+1/2) | | 17z+20=18z | | 2x+9-3x=4 | | 2.3=x–5.2 | | ⅓x=60 | | x+15=-3(1-x) | | 6w-22=50 | | (7x+5)=(9x-8) | | h-9=-2 | | 10y+12=-6+3 | | -2p-1=-10-p | | -9p=5-10p | | 15r-6r-9r+2r=18 | | 5x-8=5+4x=12 | | 6(7x-2)=-12-5x |