3(4)+3(2+7)=r(4+9)

Simple and best practice solution for 3(4)+3(2+7)=r(4+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 3(4)+3(2+7)=r(4+9) equation:


Simplifying
3(4) + 3(2 + 7) = r(4 + 9)

Multiply 3 * 4
12 + 3(2 + 7) = r(4 + 9)

Combine like terms: 2 + 7 = 9
12 + 3(9) = r(4 + 9)

Multiply 3 * 9
12 + 27 = r(4 + 9)

Combine like terms: 12 + 27 = 39
39 = r(4 + 9)

Combine like terms: 4 + 9 = 13
39 = r(13)

Reorder the terms for easier multiplication:
39 = 13r

Solving
39 = 13r

Solving for variable 'r'.

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

Add '-13r' to each side of the equation.
39 + -13r = 13r + -13r

Combine like terms: 13r + -13r = 0
39 + -13r = 0

Add '-39' to each side of the equation.
39 + -39 + -13r = 0 + -39

Combine like terms: 39 + -39 = 0
0 + -13r = 0 + -39
-13r = 0 + -39

Combine like terms: 0 + -39 = -39
-13r = -39

Divide each side by '-13'.
r = 3

Simplifying
r = 3

See similar equations:

| 4ysquared-9=0 | | 6(x-5)=25-5x | | 6x-5=100-9x | | a/7-9=0 | | 0.25/16=√ | | (log3x)^2-1/2log3x=3/2 | | 5x+-3=8x | | 9a-2=79 | | arctg1/3 | | Xy-3y=12 | | 32b^3-16b^2-50b+25=0 | | 3an+1-an=0 | | 22x+2x^2=160 | | 2y=9+(9+y) | | 2y=9+(9+3y) | | 2x^3-12x/x-6 | | ((2x-6)/2)-x=3 | | xcube-6x-4=0 | | (x^2+y^2)dx+2xy=0 | | 4a+7ifa=5 | | log*4(3x-18)=2 | | xys=q | | 12-t=21 | | 22=45-s | | 2*(-6/5) | | h(x)=(x+1)(x+3)(2x-3) | | ln((x-2)+(2x+1))=5 | | 2x(-6/5) | | 11b^2-39b-20= | | 2r+5s+2t=0 | | F(x)=x-cosx | | x+2x+(x+40)=180 |

Equations solver categories