21=-3+3x

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


Simplifying
21 = -3 + 3x

Solving
21 = -3 + 3x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -3 + -21 = -24
-3x = -24

Divide each side by '-3'.
x = 8

Simplifying
x = 8

See similar equations:

| 2(3x+1)=5x-6x | | 2b^2+3b-18=0 | | 4(7m+5)+4= | | x+4x-40=20-x | | -8x-6=4x+6 | | 13+2y=-5y-1 | | X-5-6=13 | | 7p^2-12p-24=0 | | y+8=(x-5) | | 4x+2(13-x)=42 | | (6n^3-n^7-7)-(5n^3-n^7-4)= | | f(x)=2x^2+8x+2 | | 6x+Cx=11 | | 5x-32=-3(x+8) | | X^3+2x^2+18x+36=0 | | 7x+49=21 | | f(x)=3x^2+12x+4 | | 3p-6=14+0 | | .5(x+1)=4(x+8) | | 1/2(x+2)=6 | | f(x)=-x^2+4x+4 | | 3(y+2)-2=3(2x-1) | | 1/2(x+2)=8 | | 3/4(x+2)=8 | | f(x)=-x^2-6x-3 | | 3/4(x+6)=8 | | 2w=4w-2 | | 2x+6+3x=-34 | | y-8=3(x+3) | | f(x)=-x^2-4x-7 | | 1/4(4x+10)=25 | | 6-x+3x-7= |

Equations solver categories