3(r-6)+2=(r+2)-21

Simple and best practice solution for 3(r-6)+2=(r+2)-21 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-6)+2=(r+2)-21 equation: 


Simplifying
3(r + -6) + 2 = (r + 2) + -21

Reorder the terms:
3(-6 + r) + 2 = (r + 2) + -21
(-6 * 3 + r * 3) + 2 = (r + 2) + -21
(-18 + 3r) + 2 = (r + 2) + -21

Reorder the terms:
-18 + 2 + 3r = (r + 2) + -21

Combine like terms: -18 + 2 = -16
-16 + 3r = (r + 2) + -21

Reorder the terms:
-16 + 3r = (2 + r) + -21

Remove parenthesis around (2 + r)
-16 + 3r = 2 + r + -21

Reorder the terms:
-16 + 3r = 2 + -21 + r

Combine like terms: 2 + -21 = -19
-16 + 3r = -19 + r

Solving
-16 + 3r = -19 + 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.
-16 + 3r + -1r = -19 + r + -1r

Combine like terms: 3r + -1r = 2r
-16 + 2r = -19 + r + -1r

Combine like terms: r + -1r = 0
-16 + 2r = -19 + 0
-16 + 2r = -19

Add '16' to each side of the equation.
-16 + 16 + 2r = -19 + 16

Combine like terms: -16 + 16 = 0
0 + 2r = -19 + 16
2r = -19 + 16

Combine like terms: -19 + 16 = -3
2r = -3

Divide each side by '2'.
r = -1.5

Simplifying
r = -1.5

See similar equations:

| x^2=325 | | 19-(13x+4)=(12-3x)-(5x+2) | | M^2+5m-9=0 | | 3y+20=50 | | 4x+25=80 | | 3x+5/2=7/2-x | | 16x+22=20x+4 | | Y=7.98-0.018x | | 15y=3y-4 | | 8x+6=10x+13 | | (3/(v-5))+(4/(v^2-25))=(1/(v+5)) | | (3/v-5)+(4/v^2-25)=(1/v+5) | | 2-3x=5x | | (2)/(25z^3)+(1)/(10z^2) | | 6u^2+13u+16= | | 10x-4=8x-ray | | 25+x=175 | | 180=3y+6 | | x/(5x+18)=(-3/x) | | x^3-x^2+21x+45=0 | | 3*a+6*(a+5)-525=0 | | 5(2x+1)-6x+1=-6 | | 7x=-10 | | 3xa+6x(a+5)-525=0 | | 0.6y=3y-4 | | 21x-12=156 | | 13/11=y/12 | | X-7=8x+56 | | 19x+57=152 | | 6n-4=28 | | (1-w)(5+4w)=0 | | 7x-4=8x+3 |

Equations solver categories