8=-3r-7

Simple and best practice solution for 8=-3r-7 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 8=-3r-7 equation:


Simplifying
8 = -3r + -7

Reorder the terms:
8 = -7 + -3r

Solving
8 = -7 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
8 + 3r = -7 + -3r + 3r

Combine like terms: -3r + 3r = 0
8 + 3r = -7 + 0
8 + 3r = -7

Add '-8' to each side of the equation.
8 + -8 + 3r = -7 + -8

Combine like terms: 8 + -8 = 0
0 + 3r = -7 + -8
3r = -7 + -8

Combine like terms: -7 + -8 = -15
3r = -15

Divide each side by '3'.
r = -5

Simplifying
r = -5

See similar equations:

| -5(-6-7x)=240 | | (-1+5.3)+(7.2-9)=-6.2n | | x=-10x-24 | | 2(-7+4x)=-78 | | 1.5x-2=16 | | -23=3k-8 | | 3x^2+13x-4=9x | | 9x^2+11x+2= | | (z+3)(z+7)(z-9)= | | 6/24=15/x | | K-10/6=4 | | v+12=7v | | -(3x+2)=4+2(8-7x) | | 3x^2+8x-11= | | x+2x+20=4x-25 | | 4.8x=3+12x | | X/4-2/3=2x/5 | | 6r+8-5r-3=180 | | 4b^2-2b-16=0 | | X-(8)=20 | | 0.08(1000-x)+0.6x=72.72 | | 5a/7 | | 35-11b-b=26 | | 31/9x=-4 | | y=-2x^2+16x+6 | | 3ln(2x)-2ln(x)=5 | | .5x+5=y | | 21-x/7=x/14 | | 5(u+5)=7u+17 | | 14/4=t/6 | | (x-5)/6=(x-11)/2 | | X-18=96 |

Equations solver categories