7(r+3)+2(r-2)=

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


Simplifying
7(r + 3) + 2(r + -2) = 0

Reorder the terms:
7(3 + r) + 2(r + -2) = 0
(3 * 7 + r * 7) + 2(r + -2) = 0
(21 + 7r) + 2(r + -2) = 0

Reorder the terms:
21 + 7r + 2(-2 + r) = 0
21 + 7r + (-2 * 2 + r * 2) = 0
21 + 7r + (-4 + 2r) = 0

Reorder the terms:
21 + -4 + 7r + 2r = 0

Combine like terms: 21 + -4 = 17
17 + 7r + 2r = 0

Combine like terms: 7r + 2r = 9r
17 + 9r = 0

Solving
17 + 9r = 0

Solving for variable 'r'.

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

Add '-17' to each side of the equation.
17 + -17 + 9r = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 9r = 0 + -17
9r = 0 + -17

Combine like terms: 0 + -17 = -17
9r = -17

Divide each side by '9'.
r = -1.888888889

Simplifying
r = -1.888888889

See similar equations:

| 5.2x+3500=6.6x | | 242=.5(4x)(x) | | 2x+17=5x+3 | | 3x^2-30x=4x^2-3x-18 | | -3x+4=-29 | | -3x-12x+2=0 | | 103-7x=11x+15 | | 5t+6=2 | | 5x^2+4x-11=31-25x | | 3x+10=-11 | | 4x+5x-1=0 | | -64-10x=7x+21 | | 6x+8=-58 | | 12x^2+3x-10=4(x-1) | | -26-3X=7X+34 | | 7x^2+3x-11=45-38x | | 972=3x^2 | | 10-4x=30 | | 972=3x^3 | | 2.2y=44 | | 9x+(-17)=55 | | 6x^2+4x-16=26-25x | | 10-6x=-2 | | 6x+39=14x-41 | | 2n+1+n=-4.2 | | -7x-8=-29 | | 4x+86=10x | | 3x+(-3)=15 | | 59=90+y | | 3x+(-13)=8 | | 10x^2+12x+3=0 | | x^2-12=-4x |

Equations solver categories