-5r-3=7r+9

Simple and best practice solution for -5r-3=7r+9 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 -5r-3=7r+9 equation:


Simplifying
-5r + -3 = 7r + 9

Reorder the terms:
-3 + -5r = 7r + 9

Reorder the terms:
-3 + -5r = 9 + 7r

Solving
-3 + -5r = 9 + 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.
-3 + -5r + -7r = 9 + 7r + -7r

Combine like terms: -5r + -7r = -12r
-3 + -12r = 9 + 7r + -7r

Combine like terms: 7r + -7r = 0
-3 + -12r = 9 + 0
-3 + -12r = 9

Add '3' to each side of the equation.
-3 + 3 + -12r = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -12r = 9 + 3
-12r = 9 + 3

Combine like terms: 9 + 3 = 12
-12r = 12

Divide each side by '-12'.
r = -1

Simplifying
r = -1

See similar equations:

| 50-6x=14 | | 3x+15=45 | | 3x-2(x+3)=-29 | | 4x+3=x-15 | | 3x+2=x-6 | | z^3+10=17 | | 7+15y-2=9y+32-3y | | 23x-7-16x+2=20x-5-13x+11 | | 3k=k-6 | | x^3+x^2+20x+1=0 | | 4+2y=16 | | -3x^2-12=-18 | | 6x+14-8x=17-14x+12x-3 | | 4x^2+4=100 | | 2x^2=-10 | | x^2+10+25=0 | | 81w^2-16=0 | | 58-(3x+15)=3(X+5)+x | | 2x-9=-17 | | -8x-13x=126 | | -x^2=-75 | | 8v^2-40v+48=0 | | x^4+18x^2+81x=0 | | 9x+17=53+3x | | 9d^2-81=0 | | x(3x-6)=0 | | 3-13s=3-8s+s^2 | | x^2-9=16 | | 6x=39 | | 2u^2-0.6u=0 | | (x+8)(x-4)=(2x+5)(x-4) | | 0.25h^2-0.75h=0 |

Equations solver categories