7(-4p-5)=21

Simple and best practice solution for 7(-4p-5)=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 7(-4p-5)=21 equation:


Simplifying
7(-4p + -5) = 21

Reorder the terms:
7(-5 + -4p) = 21
(-5 * 7 + -4p * 7) = 21
(-35 + -28p) = 21

Solving
-35 + -28p = 21

Solving for variable 'p'.

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

Add '35' to each side of the equation.
-35 + 35 + -28p = 21 + 35

Combine like terms: -35 + 35 = 0
0 + -28p = 21 + 35
-28p = 21 + 35

Combine like terms: 21 + 35 = 56
-28p = 56

Divide each side by '-28'.
p = -2

Simplifying
p = -2

See similar equations:

| 9x^2=48 | | 7(-4-5)=21 | | 3x^2+14x+100=180 | | x^2-11x=180 | | X^2+10x-56=0 | | 9x^2-2x+3=6x^2-5 | | x^2+8x-26=3x-2 | | x^2+15x+29=-7 | | x^2-5x+12=8 | | 3x^2+x-4= | | 3x^2+x-4= | | 4+2x=65 | | 5+2x=35 | | 4x^2+20x+9= | | x+x=40 | | 2x+15=49 | | x+3b=7h | | x-10-8=2x-2 | | 2x-x=-11 | | 21+p=42 | | y=x^2-bx+36 | | x^2-5x-84= | | 4x+x=70 | | 15z=6 | | 4-5x=12+3x | | -8=p+7 | | 9-9n+4n=15-96 | | 5a+14b-16a= | | 4x^2+33x+35=0 | | 6x+8-x=20-x | | 92=-38+x | | -28=-4r |

Equations solver categories