8+4r-4=9r+7-2r

Simple and best practice solution for 8+4r-4=9r+7-2r 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 8+4r-4=9r+7-2r equation:


Simplifying
8 + 4r + -4 = 9r + 7 + -2r

Reorder the terms:
8 + -4 + 4r = 9r + 7 + -2r

Combine like terms: 8 + -4 = 4
4 + 4r = 9r + 7 + -2r

Reorder the terms:
4 + 4r = 7 + 9r + -2r

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

Solving
4 + 4r = 7 + 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.
4 + 4r + -7r = 7 + 7r + -7r

Combine like terms: 4r + -7r = -3r
4 + -3r = 7 + 7r + -7r

Combine like terms: 7r + -7r = 0
4 + -3r = 7 + 0
4 + -3r = 7

Add '-4' to each side of the equation.
4 + -4 + -3r = 7 + -4

Combine like terms: 4 + -4 = 0
0 + -3r = 7 + -4
-3r = 7 + -4

Combine like terms: 7 + -4 = 3
-3r = 3

Divide each side by '-3'.
r = -1

Simplifying
r = -1

See similar equations:

| -10(1+.2y)+2y=5 | | 40=8r+24 | | f(n)=12-5n-1 | | .5x+1=3x-9 | | -1+3(x-1)=9x-5(x-2)-14 | | 1.14914-.324=1.167 | | -7b+b=-4(-2b+1)+8(b+6) | | H(x)=2(x-7)(x+5) | | x(2x+5)=18 | | X^2+6x-648=0 | | 36+4y=8 | | 2(3.14)(9)(9)+2(3.14)(9)(27)=0 | | 11(3s-5)=49s+9 | | -48=-4x-2(x+6) | | 6a+10=2(3a+5) | | 2+8n+4n*n-191842=0 | | sin(8-1)=cos(5x+4) | | 4(3x+3)+7-5x=8+(-5)-(-6y)+23 | | -8=-11+x | | -2x+8=-14-4x | | g(x)=(5-x)(2-3x) | | 12a+7s=186 | | -58+n=66 | | 32x^2+4x+12y^2+36y-61=0 | | 2[-5+2(8-4)]= | | 37-t=2(4t-13) | | 0=9^3/2 | | 4e+6=a | | (5/6)(1/4) | | -(8z-(14z+8))=8+(5z+1) | | x^2+x+y^2+y-61=0 | | g(x)=(4-x)(2+7x) |

Equations solver categories