7r-8(3r+1)=5r-30

Simple and best practice solution for 7r-8(3r+1)=5r-30 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 7r-8(3r+1)=5r-30 equation:


Simplifying
7r + -8(3r + 1) = 5r + -30

Reorder the terms:
7r + -8(1 + 3r) = 5r + -30
7r + (1 * -8 + 3r * -8) = 5r + -30
7r + (-8 + -24r) = 5r + -30

Reorder the terms:
-8 + 7r + -24r = 5r + -30

Combine like terms: 7r + -24r = -17r
-8 + -17r = 5r + -30

Reorder the terms:
-8 + -17r = -30 + 5r

Solving
-8 + -17r = -30 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-8 + -17r + -5r = -30 + 5r + -5r

Combine like terms: -17r + -5r = -22r
-8 + -22r = -30 + 5r + -5r

Combine like terms: 5r + -5r = 0
-8 + -22r = -30 + 0
-8 + -22r = -30

Add '8' to each side of the equation.
-8 + 8 + -22r = -30 + 8

Combine like terms: -8 + 8 = 0
0 + -22r = -30 + 8
-22r = -30 + 8

Combine like terms: -30 + 8 = -22
-22r = -22

Divide each side by '-22'.
r = 1

Simplifying
r = 1

See similar equations:

| x^2+14x-30=0 | | 5(8+4)= | | a/5-1/2=-5 | | 2x+-3+4x=-x | | 1/2+3x=19/2 | | 2(18+x)=x+24 | | 2x-5+2=-5 | | t^2+7t-8= | | x-32=44 | | 2(2x-6)=2x+2 | | -0.4x=0.2285714286 | | 6c-c= | | (x)+(x+4)=75 | | 2(3-2a)=6 | | 9=3(2-5x) | | 2/3+24= | | -x+5=2x+14 | | 5x-3-2x+9=18 | | 6x(4+9)= | | (38-2X)(20-2x)=1000 | | 8cos(2x)-5.657=0 | | 1/3x+1=7x-77/3 | | 8x-9=49 | | x+y=1.4 | | x^2-72x-320=0 | | 2(x+13)=8 | | 7x=15/6 | | x^2+10=-8x | | 9(w^2-2)=9 | | 3x-3+123=180 | | y^2-ay+7by-7ab=0 | | 4/9=k^2 |

Equations solver categories