5x+12=2x+21

Simple and best practice solution for 5x+12=2x+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 5x+12=2x+21 equation:


Simplifying
5x + 12 = 2x + 21

Reorder the terms:
12 + 5x = 2x + 21

Reorder the terms:
12 + 5x = 21 + 2x

Solving
12 + 5x = 21 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
12 + 5x + -2x = 21 + 2x + -2x

Combine like terms: 5x + -2x = 3x
12 + 3x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
12 + 3x = 21 + 0
12 + 3x = 21

Add '-12' to each side of the equation.
12 + -12 + 3x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 3x = 21 + -12
3x = 21 + -12

Combine like terms: 21 + -12 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

See similar equations:

| 2k+6=4+5k | | -3c-8c+7=18 | | 5(8-2t)=2+16(4+t) | | 1+1-12= | | 33+3m=-4(1-7n) | | -4x+(32x-5)=31 | | 6-5x=61 | | 16+-15n=86-29n | | -8+3=5s+21 | | 4(-2+2k)=6k | | 20x+3y+8x+y=180 | | 3.5x+1=3.1x+3 | | 150m-125m=39000+41000-175 | | p(4)=3(4)+14 | | -3(8x+11)=6(4x-13) | | 6g+3(-7+4g)=1-g | | -3(x+3)=0 | | 191=2x-7 | | 191=2x-7 | | 18-x=-22 | | -5(r+3)=3r+7-8r | | 5n+-12=-40 | | 5n(-12)=-40 | | -7(x+7)+2x=-4(3-8x) | | 9j=27 | | -1.4b+10=18 | | 7v+6=2v-7+5v | | -6-4x=7x-9x-4 | | n+1-3n=-5+n+-2n | | 1-x=3x+6 | | 3+3(a+7)=5(2+a)-3a | | y^3-9y^2+15y=-13 |

Equations solver categories