3-r=r-4

Simple and best practice solution for 3-r=r-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 3-r=r-4 equation:


Simplifying
3 + -1r = r + -4

Reorder the terms:
3 + -1r = -4 + r

Solving
3 + -1r = -4 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
3 + -1r + -1r = -4 + r + -1r

Combine like terms: -1r + -1r = -2r
3 + -2r = -4 + r + -1r

Combine like terms: r + -1r = 0
3 + -2r = -4 + 0
3 + -2r = -4

Add '-3' to each side of the equation.
3 + -3 + -2r = -4 + -3

Combine like terms: 3 + -3 = 0
0 + -2r = -4 + -3
-2r = -4 + -3

Combine like terms: -4 + -3 = -7
-2r = -7

Divide each side by '-2'.
r = 3.5

Simplifying
r = 3.5

See similar equations:

| -5(2r-0.3)+0.5(4r+3)=64 | | ln(x)+ln(x-4)=4 | | e^4x+4e^2x+21=0 | | 12-2(5x+4y)= | | b+7=1.5b+17 | | 2(3y+10)= | | 2x-1+x+13=180 | | 10+0.1x=0.35x | | 2(2x-3)=6-(3-4x) | | 6y^2-y-15= | | 3(b+7)= | | 244=x^2-6x+28 | | 3(b+7)=2(4b+3b+3) | | 1-L=1+L | | (-2.5)(-0.07)= | | 2x^2+4y^2=12y^2 | | 7(3-a)=-3k+4 | | 10(t+6)=5(t+2) | | 592=(3500)(r)(2) | | 9-7y=4-8y | | 2(y-1)-7(y-3)=93 | | 21g=7 | | 5-x=2+x | | (x-6)*2= | | (X+1)(x-3)= | | (7y-8y)2y-4y=-2 | | .4(0.28x+0.56)=1.61-2.77x | | 3(x+1)+2(x-1)=35 | | 2x^2-1=17 | | 6m-3+2m=5m+9 | | 3(x-4)=33 | | 1.1j+2=7.3 |

Equations solver categories