3r-1=7-(r+4)

Simple and best practice solution for 3r-1=7-(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 3r-1=7-(r+4) equation:


Simplifying
3r + -1 = 7 + -1(r + 4)

Reorder the terms:
-1 + 3r = 7 + -1(r + 4)

Reorder the terms:
-1 + 3r = 7 + -1(4 + r)
-1 + 3r = 7 + (4 * -1 + r * -1)
-1 + 3r = 7 + (-4 + -1r)

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

Solving
-1 + 3r = 3 + -1r

Solving for variable 'r'.

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

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

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

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

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

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

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

Divide each side by '4'.
r = 1

Simplifying
r = 1

See similar equations:

| 6x/9+10x+x+5/20+3x+6x-10+35=180 | | x-2[5-(1-3x)]=0 | | 3c-4=10 | | a^2=69 | | 8x+10+40+x/x+2x/2=180 | | (6-4)*(5+2)= | | Mn=pq | | 3a-b+9=c | | 6n+16=4x+40 | | 4x/2+50+x+30+6x/3+30=180 | | 12-8d=114-29d | | 6x+13=115-10x | | i^12= | | 42i/6= | | 10(5a-6)=10a | | -5y-9x+(-3)=2+(-3) | | 10(a-6)=10a | | (4i)(-2i)= | | 0=3-2x-ln(x) | | (0.4i)-(i)= | | 3(4n+5)=2n+55 | | 14x=-6x-24 | | 2(2n-3)=5n-19 | | 81i/9= | | 2x/3+x+30=180 | | 2senx=43 | | 61=1+4 | | 10y+7x+(-3)=29+(-3) | | (2x^2-32x+64)=0 | | 0.5x-37=84 | | 5x^2-55x+150=1 | | 9+15=10a-7 |

Equations solver categories