4r-7=8r+13

Simple and best practice solution for 4r-7=8r+13 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 4r-7=8r+13 equation:


Simplifying
4r + -7 = 8r + 13

Reorder the terms:
-7 + 4r = 8r + 13

Reorder the terms:
-7 + 4r = 13 + 8r

Solving
-7 + 4r = 13 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-7 + 4r + -8r = 13 + 8r + -8r

Combine like terms: 4r + -8r = -4r
-7 + -4r = 13 + 8r + -8r

Combine like terms: 8r + -8r = 0
-7 + -4r = 13 + 0
-7 + -4r = 13

Add '7' to each side of the equation.
-7 + 7 + -4r = 13 + 7

Combine like terms: -7 + 7 = 0
0 + -4r = 13 + 7
-4r = 13 + 7

Combine like terms: 13 + 7 = 20
-4r = 20

Divide each side by '-4'.
r = -5

Simplifying
r = -5

See similar equations:

| 4(x-3)-5(x-5)=20 | | -3(-1x+7)+-5x=-21 | | 2(7-4x)=3(1+31x) | | -1+5m=99 | | 5(4x-8)-5=5(x-3)+45 | | y+7=3 | | 6n-24=3n | | 6x-4x=28 | | 19-46=17 | | x+5=1+x-2 | | x-19=-38 | | F+9=20 | | 4r+5r-6r=15+6 | | u-4-(-1)(7-(-4))+3=-11u | | w^2-20w+100=0 | | 6+2rs-5= | | 21x^2+3x=0 | | x^2+11x-9=0 | | -18p-4(3-6p)=3(p-6)-21 | | 4(x+7)-1(x+5)=0 | | 3d+36=8-4d | | -14z^2+47z+7=0 | | 5-x-1=3+4x+5 | | 2x-1=2(x+2) | | 15xy-6x=0 | | 3(3x+2)=51 | | -3ac+2b-4ab=28 | | (-8*-8)-4*4*4= | | -6x+36=-5(x-8) | | x=(90-x).25 | | 3x^2+4x-32=0 | | 3c^2-13c=10 |

Equations solver categories