If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-21-4n=-3(7-7n)
We simplify the equation to the form, which is simple to understand
-21-4n=-3(7-7n)
Reorder the terms in parentheses
-21-4n=+(-21+21n)
Remove unnecessary parentheses
-21-4n=-21+21n
We move all terms containing n to the left and all other terms to the right.
-4n-21n=-21+21
We simplify left and right side of the equation.
-25n=0
We divide both sides of the equation by -25 to get n.
n=-0
| 1/2+2x=x-3/4 | | -2(x+4)=3(2x+8) | | 15(6-g)=g | | 4(x+6)-19=4x+5 | | -5(2x+6)/2=10 | | 5g-6-3-5g= | | 3y-4y-6y= | | 1/10(x-20)=100 | | 1.19+.39p=3.92 | | 1/3-1/3=-2 | | 9+7n=-61 | | x=7/8(Y+Z) | | -10=-4r-6r | | -8=96 | | 2[-4+1(-2z+3)]=3z-3 | | 8y-2y=3y-2 | | 5x-4x+1.6=2.7 | | 1.19+.39p=68.96 | | 4(x+6)-19=x-12 | | 1+4m-3=-18 | | -4(2a+1)=2(a+3) | | (3x+5)+(4x-2)= | | 5(-4)/-7-(-2) | | a=1/5(b+c-d) | | -8=3(x-4) | | -n+5n=8 | | 4(x+6)-19=4x-12 | | 2(4g-1)=3(g+6) | | 3m+6n-7(8m-6n)= | | 11x-(5x+7)+27=2x | | 10=x^2+x | | 5/8x-3/4+3/4x=7/16+x |