10+7r=9r-4

Simple and best practice solution for 10+7r=9r-4 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 10+7r=9r-4 equation:


Simplifying
10 + 7r = 9r + -4

Reorder the terms:
10 + 7r = -4 + 9r

Solving
10 + 7r = -4 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
10 + 7r + -9r = -4 + 9r + -9r

Combine like terms: 7r + -9r = -2r
10 + -2r = -4 + 9r + -9r

Combine like terms: 9r + -9r = 0
10 + -2r = -4 + 0
10 + -2r = -4

Add '-10' to each side of the equation.
10 + -10 + -2r = -4 + -10

Combine like terms: 10 + -10 = 0
0 + -2r = -4 + -10
-2r = -4 + -10

Combine like terms: -4 + -10 = -14
-2r = -14

Divide each side by '-2'.
r = 7

Simplifying
r = 7

See similar equations:

| a^2-4a-24=8 | | k^2-21=-5 | | M-49=576 | | 4v/7=20 | | x-32=-17 | | -5+4=-36 | | -2j=7-3j | | 23+a=461 | | 1/2n-14=12 | | 2x-(2x+12)=6x | | -1+8t=10t-9 | | -14=-7u | | 3q+12= | | x=-6+9y-1 | | 14+14x-x^2=0 | | 5x=1450 | | 2cos^2x-5cosx+3=0 | | 10-2h=-10+8h | | 3x+8=5x-26 | | 1/3x-41/4x-6 | | -20=p/10 | | 7w=8w+6 | | 7-5q=-6q | | 25x-15=25x-15 | | n/3csd | | 4x+(-28)=2x+16 | | -3x+4=12x+34 | | 8-2v=-v | | 4x^2-2y^2+8xy+4x+4y-11=0 | | 3x+4=8x(-4) | | 7w/5=14 | | -10-8c=-7c |

Equations solver categories