13-3r+2+6r-2r-1=3+2*9

Simple and best practice solution for 13-3r+2+6r-2r-1=3+2*9 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 13-3r+2+6r-2r-1=3+2*9 equation: 


Simplifying
13 + -3r + 2 + 6r + -2r + -1 = 3 + 2 * 9

Reorder the terms:
13 + 2 + -1 + -3r + 6r + -2r = 3 + 2 * 9

Combine like terms: 13 + 2 = 15
15 + -1 + -3r + 6r + -2r = 3 + 2 * 9

Combine like terms: 15 + -1 = 14
14 + -3r + 6r + -2r = 3 + 2 * 9

Combine like terms: -3r + 6r = 3r
14 + 3r + -2r = 3 + 2 * 9

Combine like terms: 3r + -2r = 1r
14 + 1r = 3 + 2 * 9

Multiply 2 * 9
14 + 1r = 3 + 18

Combine like terms: 3 + 18 = 21
14 + 1r = 21

Solving
14 + 1r = 21

Solving for variable 'r'.

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

Add '-14' to each side of the equation.
14 + -14 + 1r = 21 + -14

Combine like terms: 14 + -14 = 0
0 + 1r = 21 + -14
1r = 21 + -14

Combine like terms: 21 + -14 = 7
1r = 7

Divide each side by '1'.
r = 7

Simplifying
r = 7

See similar equations:

| 5(3-7x)=85 | | 3+n=8 | | .37*570000000= | | 15t+17=13+14 | | -7x+-3x+2=-8x+-8 | | 3a+6-a+1=17 | | -2(x-2)-25=2x-4(x+1) | | 2x-1=5x-19 | | 9(-8)-2(-6)= | | 2(4w-6)=36 | | -13+x=23 | | x+(x-6)+2=-10 | | 9x+5=-2+10x | | -5y-8=6y+25 | | 2(2v+9)=50 | | 2.5+3(4x-5)=37.5 | | 0=5(7-x)+12x | | y=(x-12)(x-12) | | 4x+20+44=180 | | 7-5x+8+2x+4x-3=2+3(5) | | 4p+2=3p | | y=(x-4)(x-4) | | 4(2-3b)=60 | | 16x-men=3+14x | | -(w+5)=-14-w | | 4w-18=2(2w-9) | | 5(1+2w)+8w=15 | | y=[(x-4)(x-4)]-[(x-12)(x-12)] | | H-4*j=k | | 4y+16=1.3333333(10y-4) | | 13-11x=3-x | | 167+19+16e=1132 |

Equations solver categories