7r+3=3(r-1)

Simple and best practice solution for 7r+3=3(r-1) 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 7r+3=3(r-1) equation:


Simplifying
7r + 3 = 3(r + -1)

Reorder the terms:
3 + 7r = 3(r + -1)

Reorder the terms:
3 + 7r = 3(-1 + r)
3 + 7r = (-1 * 3 + r * 3)
3 + 7r = (-3 + 3r)

Solving
3 + 7r = -3 + 3r

Solving for variable 'r'.

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

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

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

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

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

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

Combine like terms: -3 + -3 = -6
4r = -6

Divide each side by '4'.
r = -1.5

Simplifying
r = -1.5

See similar equations:

| 14x^2-8x-9=0 | | 8x^2+14x-4=0 | | 12-7n=16 | | x^2+2xy-3y^2=0 | | 12-7*n=16 | | r^2-18r+45=0 | | 14x+2(-7x+1)=1 | | log^3(2x+1)=2 | | r^2-19r+60=0 | | 4x=3x+18 | | 7x^2-19x-36=0 | | x/3+23=41 | | -3x+3(4x+22)=30 | | 2a+3d=10 | | 95-6x=12x+15 | | -5x-7(7x-3)=21 | | -6x+3(-2x-15)=27 | | fx=gx | | -10x-6(4x-11)=-2 | | (7x-7)(8x+9)=0 | | 9x^4-6x^2+3=0 | | -6x+4(9+25)=16 | | -x-8(8x-8)=-1 | | 1+300= | | 66=4(2x-3)2(x+4) | | 3x+4y=14 | | 14/6=42 | | x^4+12x^2+32=0 | | 4x+(7)=10 | | 3x+12-5x+5=5 | | -6x-(-3x+4)=-1 | | 5y^2=17y-6 |

Equations solver categories