ax-b=9x-21

Simple and best practice solution for ax-b=9x-21 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for ax-b=9x-21 equation:


Simplifying
ax + -1b = 9x + -21

Reorder the terms:
ax + -1b = -21 + 9x

Solving
ax + -1b = -21 + 9x

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add 'b' to each side of the equation.
ax + -1b + b = -21 + b + 9x

Combine like terms: -1b + b = 0
ax + 0 = -21 + b + 9x
ax = -21 + b + 9x

Divide each side by 'x'.
a = -21x-1 + bx-1 + 9

Simplifying
a = -21x-1 + bx-1 + 9

Reorder the terms:
a = 9 + bx-1 + -21x-1

See similar equations:

| 4(y+2)=48 | | 6/8*48 | | 3/8x48 | | -7(x+3)-11=16+1 | | 2x-5+x=1+3-6 | | cos*2*x-3*cos*x=-2 | | x+(2x+4)+(2x-9)= | | 3x-14=5x-24 | | 4(b-2)-10=2b+6 | | 4y-x^2=14x-27 | | (11b-3)-5(2b+3)=-5 | | 32a^2+24a=1 | | 32a+24a=1 | | 3a-15=1 | | 7(3+y)=6(8+y) | | -14(x+3)+5(4x-6)=5(x-3)+8 | | 8(y-4)=7y-2 | | 9(n+4)=8n | | Y=tg(8x) | | 3y-7=4y-4 | | -9(x+1)=3-8x | | 12x+12(x-4)=72 | | 2x^2+2-45=0 | | 8n(n+3)=2n-15 | | 8(u+7)-6=u-13 | | 7x+3=4x+4 | | 24+8x=65 | | 4x^2+45x+81=0 | | (1/3e^2x)=7 | | 6/5y-1/3=1/2(4y-1) | | b^2+6b-216=0 | | 4+6x=3x+10 |

Equations solver categories