3x=4x-21

Simple and best practice solution for 3x=4x-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 3x=4x-21 equation:


Simplifying
3x = 4x + -21

Reorder the terms:
3x = -21 + 4x

Solving
3x = -21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
3x + -4x = -21 + 4x + -4x

Combine like terms: 3x + -4x = -1x
-1x = -21 + 4x + -4x

Combine like terms: 4x + -4x = 0
-1x = -21 + 0
-1x = -21

Divide each side by '-1'.
x = 21

Simplifying
x = 21

See similar equations:

| 2/3+4/5x=1/2-x | | 12a-7=29 | | 10x+30=50 | | 3-3y=3(y+5) | | 2x-122=6x+18 | | 2a-14=28-4a | | 6z-1=59 | | 18/7x+3/7y=0 | | (3^2+2^2(2^3-3^2)+2)/16 | | 5-2/3x=1 | | 8.1r-12-3r=44.1 | | 21+4x=12+x | | 2y+12=x | | x=10y-1 | | 2(x-11)-(x+6)=9x | | 32+5x=-8(-4-4x) | | 7x+4=x+64 | | 31-26+7m= | | 2+7x-1=8x-6-2x | | x^2+8x+4= | | -6*.66x+.66=-1.5 | | 18-5f=2f-4 | | -210=6(7-6x) | | -12x=-4 | | 13+x=8 | | 19=x+12 | | -329=-7(-7r-2) | | 4(-3r+1)=-4(-2-6r) | | 9x=55-21 | | 3(11+6y)-8y=3 | | -(-6z+3)=z-3 | | [14-3c]+7c=94 |

Equations solver categories