7=3r-8

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


Simplifying
7 = 3r + -8

Reorder the terms:
7 = -8 + 3r

Solving
7 = -8 + 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.
7 + -3r = -8 + 3r + -3r

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

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

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

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

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

Simplifying
r = 5

See similar equations:

| -1a-3+7=3a | | 2x(3x+5)+6=20 | | 50+50= | | 2-(1+a)(15+3)=2 | | -17m=-17 | | 14y+1=15y-1 | | 4(2x+2)-12=2(4x+4)+16 | | 33-6n=3(n+2) | | .5t+3.5-2.5t=1.5t | | 17+k=6 | | -32=-7n-12+3k | | 48=32+2x | | 42-5=h | | 4.1u+.4=4.6u-2.6 | | 2m+12=32 | | 4x^2-36x^2=49 | | 0.06-0.01(t+1)=-0.02(2-t) | | -6(10)+5(10-2)=y | | 100=-10(40x-80)-40x | | 8n-8(1-4n)=8n-40 | | -x+8+4x=14 | | -2+10(a+4)=-7(2+6a) | | -5-6x=-6x | | (n+4)=-18 | | 7p-5(7-p)=-35 | | 388=31n+205 | | 10-3x(x+6)=7x-6 | | -6(0)+5(0-2)=y | | 27=-3g | | 5(x-6)+4=7x-8 | | 3(-7)-2(-4)=-15 | | 7x+5x+22=11x+45 |

Equations solver categories