2p+3+9=21

Simple and best practice solution for 2p+3+9=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 2p+3+9=21 equation:


Simplifying
2p + 3 + 9 = 21

Reorder the terms:
3 + 9 + 2p = 21

Combine like terms: 3 + 9 = 12
12 + 2p = 21

Solving
12 + 2p = 21

Solving for variable 'p'.

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

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

Combine like terms: 12 + -12 = 0
0 + 2p = 21 + -12
2p = 21 + -12

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

Divide each side by '2'.
p = 4.5

Simplifying
p = 4.5

See similar equations:

| 2/3x5/6 | | 5n+6=5n+11 | | 18x^2+114-84= | | 0=x^2-4x+0.75 | | 7y-3y=4y-15 | | 3n^2-n-2=0 | | 7=a/-2-3 | | x+12/x-2 | | 24x+28=17x+35 | | x(760-40)=x(210+70) | | 0.5x+1.5=6x+0.2 | | 6x+22x-4=7(4x+5) | | 2(x+5)=4x-2(x+5) | | r/4-4=-2 | | 20x^2+17x-20=0 | | 4(3x+3)=16x+9-4x+3 | | 4.9x^2+12x-30=0 | | -68=-(-1+8k)-5(k+6) | | 2x+4x=3x+7 | | 6(6x+4)=3(3x-3) | | X-2(-4x+6)=-3 | | 3x+32x-1=7(5x+4) | | 340.2=(.33)(3.14)(25)(x) | | 5/3r=15 | | 4-20q= | | 60+(9x+12)=180 | | y=-(.5-2)(.5+1) | | 5(5+5x)-3(1+5x)=47 | | -8-(-33)+31+40-(-15)= | | 3(3x+3)=4(4x-5) | | 6y+(13y-10)=180 | | 109=(4)(7)(3)+(2)(3)(x) |

Equations solver categories