A=(3x+8)-(21-x)

Simple and best practice solution for A=(3x+8)-(21-x) 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 A=(3x+8)-(21-x) equation:


Simplifying
A = (3x + 8) + -1(21 + -1x)

Reorder the terms:
A = (8 + 3x) + -1(21 + -1x)

Remove parenthesis around (8 + 3x)
A = 8 + 3x + -1(21 + -1x)
A = 8 + 3x + (21 * -1 + -1x * -1)
A = 8 + 3x + (-21 + 1x)

Reorder the terms:
A = 8 + -21 + 3x + 1x

Combine like terms: 8 + -21 = -13
A = -13 + 3x + 1x

Combine like terms: 3x + 1x = 4x
A = -13 + 4x

Solving
A = -13 + 4x

Solving for variable 'A'.

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

Simplifying
A = -13 + 4x

See similar equations:

| -3=2(q+-7)+5 | | 5x+12=-7x-51 | | 80*x=162 | | (8x-15)=(10x-45) | | x+(x*.086)=346.76 | | f(x)=x^4+x^3+2x^2+2 | | (11x-37)=(7x+27) | | -3(5s-2)=-2(9s+10)-2 | | x^3+2x^2-1=2 | | 25y^2-30y+9= | | 0.54(18)+0.06x=0.18(18+x) | | x^4+x^3+2x^2+2= | | -5(4x-4)+2=-38-8x | | (5x-129)=(2x-21) | | 6*17-y=7 | | 5x+2y-286.6=0 | | 6x-(4x+7)=4x-35 | | 6*-19-y=7 | | 2y-y-3=10+7y-4 | | 16x-12=4x+10 | | 6*6-y=7 | | -14x^2-5x-3x^2+2+11x=0 | | -10k=100 | | 6*8-y=7 | | log(5+6)=556 | | 2b-18=34 | | 3x-5(-2x-7)=13x+6 | | 6*5-y=7 | | 3x-7=14-4x | | 6*11-y=7 | | 4(x+3)=3(3x-6) | | 6*-10-y=7 |

Equations solver categories