If it's not what You are looking for type in the equation solver your own equation and let us solve it.
21x-3=-3(2x+14)
We move all terms to the left:
21x-3-(-3(2x+14))=0
We calculate terms in parentheses: -(-3(2x+14)), so:We get rid of parentheses
-3(2x+14)
We multiply parentheses
-6x-42
Back to the equation:
-(-6x-42)
21x+6x+42-3=0
We add all the numbers together, and all the variables
27x+39=0
We move all terms containing x to the left, all other terms to the right
27x=-39
x=-39/27
x=-1+4/9
| 5-5n=45 | | 1/3h+2=1 | | 7x+9=9x=5 | | (x-9)+(3x+17)=180 | | 4/3=h | | 0.8p=2 | | 23x630=x | | -9r+4=-26 | | 20x+16=21+11 | | 179=c+46 | | 4c-8=24 | | 12x+9=56 | | 2x=8+2/3x | | 9d+2=4(d-7) | | X^2+100=x+4^2 | | x+11=27-7x | | 12x+10+8x-30=180 | | x^2+10^2=x+4^2 | | -2*3x+56=x | | x^2+10^2=x+4^4 | | x^-2+3x-56=0 | | 2(3t+-8)+-4=10 | | 4(x-5)+20=100 | | 4b+8=-10+7b | | 6x-21-28=180 | | -4(1x+6)=-60 | | 6x-21-28=293 | | 6x-21-28=90 | | 6x-21-28-293=90 | | 3^x=0.15 | | 5x-50+4x+14=180 | | 5x+13=31.2 |