x-(21)=-3

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


Simplifying
x + -1(21) = -3

Multiply -1 * 21
x + -21 = -3

Reorder the terms:
-21 + x = -3

Solving
-21 + x = -3

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + x = -3 + 21

Combine like terms: -21 + 21 = 0
0 + x = -3 + 21
x = -3 + 21

Combine like terms: -3 + 21 = 18
x = 18

Simplifying
x = 18

See similar equations:

| -20v-25=4v^2 | | 20-2p+4p=0 | | 1+10x=46+x | | 2(2x+7)+3(3x-5)=3(4x+5)-1 | | p+p-13=17 | | 2(x-18)=36(x-5) | | y=8x+284 | | log[5](9x+5)-log[5](x-3)=2 | | -x+3+12x=-3+5x+36 | | 4y+y+2y=14 | | 7y=3y+6 | | 3(x+2)-4x=3 | | -x/8-16=9 | | 2x^2=16 | | 20c-5c=300 | | 3(4-3s)=30 | | 8(x+3)=3(x+7) | | 0.2z=-10 | | 4b+8=4 | | 5x-3=2(x-6) | | 4n=2x+6 | | w^2-4w-60=0 | | 3b+3b+6b=24 | | 5x=4x+10 | | 3(6.75-3y)+2y=16.5 | | 9k=25 | | -3+8=16 | | 3x+3=-10x | | 49v^2-25=0 | | x(10x)=200 | | 2x+3y=13.50 | | 3(2z-2)=-5(z+3) |

Equations solver categories