15-p=p-21

Simple and best practice solution for 15-p=p-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 15-p=p-21 equation:


Simplifying
15 + -1p = p + -21

Reorder the terms:
15 + -1p = -21 + p

Solving
15 + -1p = -21 + p

Solving for variable 'p'.

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

Add '-1p' to each side of the equation.
15 + -1p + -1p = -21 + p + -1p

Combine like terms: -1p + -1p = -2p
15 + -2p = -21 + p + -1p

Combine like terms: p + -1p = 0
15 + -2p = -21 + 0
15 + -2p = -21

Add '-15' to each side of the equation.
15 + -15 + -2p = -21 + -15

Combine like terms: 15 + -15 = 0
0 + -2p = -21 + -15
-2p = -21 + -15

Combine like terms: -21 + -15 = -36
-2p = -36

Divide each side by '-2'.
p = 18

Simplifying
p = 18

See similar equations:

| 12x*3-4x^2+3x-1=0 | | 24x^2+100=100x | | 4+42x=28x+6 | | x^2+2x-1.35=0 | | 25+70x+49x^2=0 | | 4q^2-7q=3q^2-9q+35 | | 0=2.5b-5b-420 | | -11=3x+13 | | 5-2x=2x+7 | | 24=n-5 | | 14x-7=12x+5 | | p-p^2=0.42 | | Y=-16x^2+25x+3 | | -9=x-2x+2 | | 12=11x-2x^2 | | 4s^2-51s+140=0 | | 12k-11=4k-5 | | -25x+784=817-36x | | 42-4y=18 | | 7x+62=2x+22 | | 8x+4=8x-7 | | tan(x-90)=1 | | x^2-x+0.42=0 | | (5x-2)+(3x+1)= | | 9x^2-x=8 | | 7x+16=2x+6 | | (x^(3/2))-27=0 | | 2x+x+x+102=180 | | 75q^3=3 | | x-6=54/9 | | Y=5x^2+20x+10 | | 6.28*33*15= |

Equations solver categories