8r-18=-15+7r

Simple and best practice solution for 8r-18=-15+7r 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 8r-18=-15+7r equation:


Simplifying
8r + -18 = -15 + 7r

Reorder the terms:
-18 + 8r = -15 + 7r

Solving
-18 + 8r = -15 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-18 + 8r + -7r = -15 + 7r + -7r

Combine like terms: 8r + -7r = 1r
-18 + 1r = -15 + 7r + -7r

Combine like terms: 7r + -7r = 0
-18 + 1r = -15 + 0
-18 + 1r = -15

Add '18' to each side of the equation.
-18 + 18 + 1r = -15 + 18

Combine like terms: -18 + 18 = 0
0 + 1r = -15 + 18
1r = -15 + 18

Combine like terms: -15 + 18 = 3
1r = 3

Divide each side by '1'.
r = 3

Simplifying
r = 3

See similar equations:

| 9x=84+2x | | 5/6-1/36 | | 9w+1/7=5w-3/4+1 | | Y+(-14)=1 | | 0.4(2z+6)0.1=0.5(2z-3) | | a+b-3= | | 2*p/2*p-4 | | -5/9/4/5 | | -12x+12=-13x-1 | | 2(5/2)+1=4 | | 3=0.75b+5-1/4b-4 | | -2-4=3-2x+3x | | (-3+8i)(7+7i)=0 | | 5/2(2.2)+5/2(1.8)+5=15 | | -2(-x+y)=2(-5) | | (x-5)^2/3=25 | | .16d+.6=.25(d+-2) | | sqrt(4x+9)-6x=3 | | 6x-20=-56 | | -3-8c=35 | | .5-7=3 | | 11x+24=180 | | -4w+3+5w=-1+5 | | x-20=135 | | (2x+16)-(3-4x)=a | | 6(X+1/8-2X-3/16)=3(3/4X-1/4)-3/8(3X-2) | | 2x=x-5(x+26) | | (5-v)(5v+2)=0 | | 180-11(14)=x | | 39.99x+.45y=44.99x+.40y | | 3-4n=-15+5n | | 0.7(3x+6)=1.7-(x+2) |

Equations solver categories