-5-2r=-3(-7r+8)-4

Simple and best practice solution for -5-2r=-3(-7r+8)-4 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 -5-2r=-3(-7r+8)-4 equation:


Simplifying
-5 + -2r = -3(-7r + 8) + -4

Reorder the terms:
-5 + -2r = -3(8 + -7r) + -4
-5 + -2r = (8 * -3 + -7r * -3) + -4
-5 + -2r = (-24 + 21r) + -4

Reorder the terms:
-5 + -2r = -24 + -4 + 21r

Combine like terms: -24 + -4 = -28
-5 + -2r = -28 + 21r

Solving
-5 + -2r = -28 + 21r

Solving for variable 'r'.

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

Add '-21r' to each side of the equation.
-5 + -2r + -21r = -28 + 21r + -21r

Combine like terms: -2r + -21r = -23r
-5 + -23r = -28 + 21r + -21r

Combine like terms: 21r + -21r = 0
-5 + -23r = -28 + 0
-5 + -23r = -28

Add '5' to each side of the equation.
-5 + 5 + -23r = -28 + 5

Combine like terms: -5 + 5 = 0
0 + -23r = -28 + 5
-23r = -28 + 5

Combine like terms: -28 + 5 = -23
-23r = -23

Divide each side by '-23'.
r = 1

Simplifying
r = 1

See similar equations:

| 6700x+3500(800-x)=4000000 | | 3x+23=15x+10 | | -y+5/6=37 | | x=20-47 | | 4x^3-9x^2+4= | | 3.6+10m=6.54 | | (2-x)+10=7 | | 10x-15x=45+20 | | sin(4x)=cos(2x) | | 6n^2-5n-125=0 | | y=tan*7x^2 | | -(8y+1)-(-7y-4)=0 | | a^4-28a^2+75=0 | | Sin(4x)=cos | | 4(p-2)-(p+3)=p-1 | | 5u+4= | | 3(5.30x+2.50)=55.20 | | 2(w+2)=-2 | | 25v^2-3v+5=0 | | 2+.5x=y | | 6ln(2x+2)=28 | | 6b+1y=-7-b | | 5y+5=5y+25 | | 8n-13=-21+8 | | 36x+13=105 | | G+12=27 | | -15=2e+1 | | x+3x+7x=180 | | 3(2x-2)=2(-3x+9) | | 5y+12=5y+6 | | 5X+(-2Y)=7 | | G^2-4g+19= |

Equations solver categories