If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-5+8(7a+5)=-21
We simplify the equation to the form, which is simple to understand
-5+8(7a+5)=-21
Reorder the terms in parentheses
-5+(+56a+40)=-21
Remove unnecessary parentheses
-5+56a+40=-21
We move all terms containing a to the left and all other terms to the right.
+56a=-21+5-40
We simplify left and right side of the equation.
+56a=-56
We divide both sides of the equation by 56 to get a.
a=-1
| x^2+11=71 | | 3/5x4/10 | | 5x-(3x-4)=16 | | 3.8/0.8 | | 0.14x+0.7(x-1)=0.01(5x-3) | | 4y=-5x+8 | | 1/2(x+8)+3=18 | | 0.18x+0.3(x-3)=0.01(4x-3) | | 2-6=5 | | 6x^2+10x-64=0 | | 5g+4(-5+g)=1-g | | Y/5+8=7 | | 1/4x-1/5(x-7)=5x | | 2x+1/3y=2 | | -18k-6k=6+18k | | 1/4x+y=5 | | 61+x=36 | | 108=2x+20+2x | | x^3+6x^2-7x-42=0 | | X/4+8=-16 | | 61+x=25 | | -6t-8=16 | | 15x+5y=30 | | 3x+5+2=2x+27 | | X-14.29=25 | | 6-3b=18 | | 4k+3-2k=k+3 | | 4+x/3=-1 | | 3x/15=64/125 | | 5-10x+8x=15 | | -5d-4=2d+6 | | 1w+3w=48 |