5r+6-21=7r-10

Simple and best practice solution for 5r+6-21=7r-10 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 5r+6-21=7r-10 equation:


Simplifying
5r + 6 + -21 = 7r + -10

Reorder the terms:
6 + -21 + 5r = 7r + -10

Combine like terms: 6 + -21 = -15
-15 + 5r = 7r + -10

Reorder the terms:
-15 + 5r = -10 + 7r

Solving
-15 + 5r = -10 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-15 + 5r + -7r = -10 + 7r + -7r

Combine like terms: 5r + -7r = -2r
-15 + -2r = -10 + 7r + -7r

Combine like terms: 7r + -7r = 0
-15 + -2r = -10 + 0
-15 + -2r = -10

Add '15' to each side of the equation.
-15 + 15 + -2r = -10 + 15

Combine like terms: -15 + 15 = 0
0 + -2r = -10 + 15
-2r = -10 + 15

Combine like terms: -10 + 15 = 5
-2r = 5

Divide each side by '-2'.
r = -2.5

Simplifying
r = -2.5

See similar equations:

| 2-(3x+3)=7-5x | | 6(1x+9)=54 | | 19.85(12.5xt)=2.6-t | | e^4x=500 | | 3(-8+x)=6 | | (8x-4)(6x+2)=0 | | (7x+5y)-(4x-2y)= | | 5(s-3)=19 | | -7(7x+8)=-399 | | 3X^2-2y^2+4y-26=0 | | 6+6cosine(6x)=0 | | -2(2s-5)-10=-3(3s+1)-3 | | 6+6cos(6x)=0 | | 7-2d=11 | | 1/3x-9=-15 | | (2-9i)/(2-I) | | 11x-4=7x+40 | | 11(3p-4)+2= | | 8p^2=-96+64p | | -4(-6-7x)=360 | | 272=x+x*.7 | | 0.8(12+x)=4x+8 | | F(x)=4x^2+9x-5 | | 4.3-1.96x=4.4-2.05x | | 5x-0=0 | | 9v=-18+8v | | 6x+3-5=2+-5*6-6X | | 1.4x+3.64=2.462-0.5x | | f(x)=3x^2-2x-8/3x^2-5x-12 | | 7x-2(6-x)+3=8 | | 6x+7x=-91 | | 0.96x-11.08=0.41x-14.6 |

Equations solver categories