2x-3+12=21

Simple and best practice solution for 2x-3+12=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 2x-3+12=21 equation: 


Simplifying
2x + -3 + 12 = 21

Reorder the terms:
-3 + 12 + 2x = 21

Combine like terms: -3 + 12 = 9
9 + 2x = 21

Solving
9 + 2x = 21

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 2x = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 21 + -9
2x = 21 + -9

Combine like terms: 21 + -9 = 12
2x = 12

Divide each side by '2'.
x = 6

Simplifying
x = 6

See similar equations:

| 56484*6549/58= | | z/7-8=-3 | | 12g=14 | | =0.842105263 | | 4.25/17x122= | | 63.4=3.95c+19.95 | | t-5/3=7 | | 1.6x+2.7=3.5x-3 | | 9+4n-1= | | 13x+19=3x+239 | | N/2=84 | | 12x+4=7x-4 | | h=16t^2+112t+128 | | 12-6-4x=30 | | N/25=5 | | 1.1x+4.3=3.2x-2 | | -12x=7-16x | | 5x^2+7x+10=0 | | 3(0.6+2n)-3.3=7.6 | | 3(x+2)-3=6(x+1)-3x | | 3p-12=7p-80+2p | | 3x+2(x-1)=3x-25+3x | | y-5+22=90 | | 4x-5=5x-25 | | 3/4-3/8÷2/3 | | 24-4x-9=-13 | | x+1=1+5x | | x^2-10x-2=7 | | 4x^2-20=-25 | | 8-7i=113 | | (2(x^0.8)/y^0.8)/((8y^0.2)/x^0.2) | | 8-7i=15 |

Equations solver categories