r-1=7-3r

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


Simplifying
r + -1 = 7 + -3r

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

Solving
-1 + r = 7 + -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.
-1 + r + 3r = 7 + -3r + 3r

Combine like terms: r + 3r = 4r
-1 + 4r = 7 + -3r + 3r

Combine like terms: -3r + 3r = 0
-1 + 4r = 7 + 0
-1 + 4r = 7

Add '1' to each side of the equation.
-1 + 1 + 4r = 7 + 1

Combine like terms: -1 + 1 = 0
0 + 4r = 7 + 1
4r = 7 + 1

Combine like terms: 7 + 1 = 8
4r = 8

Divide each side by '4'.
r = 2

Simplifying
r = 2

See similar equations:

| -0.10(14)+0.25x=0.05(x-20) | | 5+-5-5= | | 7m+16=32-m | | 24+79x=1.19x | | .75x-3=-6 | | 2+2x=27 | | 6+2(m-8)=10 | | 3b+6=b+8 | | n^2-4n+5=10 | | 2(4-8)= | | 7m=10m+9 | | 2x+8=x+6y | | 6y=-y+2 | | -1=-4+x | | 4+12x=-5+13x | | (A+2)(3a-4)=0 | | 6y+3=5y+3 | | .76x-3=-6 | | 10x+15-8x=10+2x-3 | | -28y^3+56y^2-12y^2+24y= | | 55=19x+13+12x+7 | | 4(c-3)=6(c-7) | | -7=b+7/2 | | z^4+z^2+4=0 | | 3xsquared+30x+y+79=0 | | 5(6)-5= | | 56h=31 | | 12t^2+14t+35=0 | | V-3(2v-4)=-3 | | 5n-9=5-2n | | -20w^2+19w-3=0 | | 3(.37+.23x)=1.29 |

Equations solver categories