3-(r+10)=2(r+1)

Simple and best practice solution for 3-(r+10)=2(r+1) 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+10)=2(r+1) equation:


Simplifying
3 + -1(r + 10) = 2(r + 1)

Reorder the terms:
3 + -1(10 + r) = 2(r + 1)
3 + (10 * -1 + r * -1) = 2(r + 1)
3 + (-10 + -1r) = 2(r + 1)

Combine like terms: 3 + -10 = -7
-7 + -1r = 2(r + 1)

Reorder the terms:
-7 + -1r = 2(1 + r)
-7 + -1r = (1 * 2 + r * 2)
-7 + -1r = (2 + 2r)

Solving
-7 + -1r = 2 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-7 + -1r + -2r = 2 + 2r + -2r

Combine like terms: -1r + -2r = -3r
-7 + -3r = 2 + 2r + -2r

Combine like terms: 2r + -2r = 0
-7 + -3r = 2 + 0
-7 + -3r = 2

Add '7' to each side of the equation.
-7 + 7 + -3r = 2 + 7

Combine like terms: -7 + 7 = 0
0 + -3r = 2 + 7
-3r = 2 + 7

Combine like terms: 2 + 7 = 9
-3r = 9

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

Simplifying
r = -3

See similar equations:

| (w-5)=4w-7 | | 3.5k=21 | | 5x^4+15x^3-10x^2= | | 3x-8x-8x=-13x | | 8(x-1)-4=4(2x-3) | | 57x+23-42=-97 | | -7x=7-8x | | -x^2+4x-2=0 | | 5w^2+24w-5=0 | | X-(-9x)-15x= | | X-(-9)x-15x= | | x^2-4x+0=0 | | 4x^2+3x+7=0 | | x+3=2x+6 | | x+3=x+4 | | 9z^2-1+1=0 | | v+4+6v=11 | | 7x^2=16 | | 4x^2+18x+3=0 | | 3(4x-5)+2(11-2x)=43 | | (x-1)+2(x-2)+3(x+4)=6(x-1)+10 | | 3t-21=2t-12 | | 8x^2-13x=0 | | 9n-9=6n+12-n | | a+5-a=-10-5a | | 5q-2=3q-2 | | x-3(x-1)=2(x-2) | | 3|y+2|-4=11 | | d+7=d-7 | | x^3-9x^2+27x-27=0 | | x^2-12x+y^2+4y+21=0 | | 3+10(x-1)=3(x-2) |

Equations solver categories