3(r+5)=45

Simple and best practice solution for 3(r+5)=45 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+5)=45 equation: 


Simplifying
3(r + 5) = 45

Reorder the terms:
3(5 + r) = 45
(5 * 3 + r * 3) = 45
(15 + 3r) = 45

Solving
15 + 3r = 45

Solving for variable 'r'.

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

Add '-15' to each side of the equation.
15 + -15 + 3r = 45 + -15

Combine like terms: 15 + -15 = 0
0 + 3r = 45 + -15
3r = 45 + -15

Combine like terms: 45 + -15 = 30
3r = 30

Divide each side by '3'.
r = 10

Simplifying
r = 10

See similar equations:

| n-8-5=0 | | (80/y)-(80/y-6)=4/y | | 39-8n=-8(3+4n) | | 8x=16+5y | | 2x+33=42 | | (a-b)(x^2-5)+(b-a)(3x+5)= | | 7p+2=9 | | 6/2x=-9 | | 15x=78 | | (x-4)-(7x+2)=(x-4)+(-7x-2) | | 3.8n-13=1.4 | | s+5=6 | | 16x=78 | | −2/3x–21/4=27/4 | | 6x+3y-2x-5y= | | .5(8m-12)=4m+8 | | M-3/4=4/1/4 | | 5t+-2=-12 | | 1+4x+3x^2=40 | | C+9c-5+10= | | 7p^2=15p | | 300=-6(5x-5) | | -12=x/13 | | 3x+4x+20=321 | | 4(2x-5)-3(4x-7)=10 | | 105/5=3(4-2b) | | 2.35+p+14=49.25 | | 12/1000 | | -64+7x=31+2x | | 11x=8x-8(5-2x) | | 4n+9=-31 | | -15-(-45)= |

Equations solver categories