-7=r-(-2)

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


Simplifying
-7 = r + -1(-2)

Multiply -1 * -2
-7 = r + 2

Reorder the terms:
-7 = 2 + r

Solving
-7 = 2 + r

Solving for variable 'r'.

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

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

Combine like terms: r + -1r = 0
-7 + -1r = 2 + 0
-7 + -1r = 2

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

Combine like terms: -7 + 7 = 0
0 + -1r = 2 + 7
-1r = 2 + 7

Combine like terms: 2 + 7 = 9
-1r = 9

Divide each side by '-1'.
r = -9

Simplifying
r = -9

See similar equations:

| X-5y+3x+4y= | | -3n-2=29 | | 4x+3=12-5 | | 3n-2=29 | | 8y-7=6y+2+y | | -17=x+0 | | (7y+7)-(2+6y)=9 | | -8-8m=72 | | 5x+17=2x+11 | | -0.6t^2+48t=0 | | 48x^5-24x^3= | | 17=-6+y | | 10-6n=52 | | 13=5+3k-7 | | -5x^3+40x^2-75x=0 | | 12=5-4x | | (101)n=65 | | 2m+5n+6m+4n= | | T=5x+7y | | 42n+62=15 | | 0.5x+x=10800 | | 10-3x=7-4x | | 3(4x-1)=4(-x+9)-7 | | -16t^2+143t+9=0 | | X^5=16.5 | | (x^2+5x)(x^2+5x+6)-72=0 | | x^4+10x^3+31x^2+30x-72=0 | | -16a^2-5a+312=0 | | 3n-6+2n=-7+4n | | 25p-4=71p-96 | | x+(-3)=11 | | X^2+6=8x-3 |

Equations solver categories