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

Simple and best practice solution for 7+2r=-7-(1-r) 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+2r=-7-(1-r) equation:


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

Combine like terms: -7 + -1 = -8
7 + 2r = -8 + 1r

Solving
7 + 2r = -8 + 1r

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 + 2r + -1r = -8 + 1r + -1r

Combine like terms: 2r + -1r = 1r
7 + 1r = -8 + 1r + -1r

Combine like terms: 1r + -1r = 0
7 + 1r = -8 + 0
7 + 1r = -8

Add '-7' to each side of the equation.
7 + -7 + 1r = -8 + -7

Combine like terms: 7 + -7 = 0
0 + 1r = -8 + -7
1r = -8 + -7

Combine like terms: -8 + -7 = -15
1r = -15

Divide each side by '1'.
r = -15

Simplifying
r = -15

See similar equations:

| 11(3+y)=22y | | 8.00*x=60.00 | | ln(7x+6)=ln(5x+14) | | 31+x=150 | | 13a+13b+6c+5c-2b-2a= | | 7+18c-6= | | q=-3000+9p | | 20p+15q+p-6q-7p= | | ln(7x+6)=ln(5x+4) | | q=9000-6p | | 11m+3n-3m+9n= | | 12x+7=77 | | .65p=p(2-x) | | 9a-a-a= | | 3x^2-109x+330=0 | | 4w+3x-y+5w-14x-7y= | | -3b+8=47 | | 4x-2y+11w-6y-2y+7x= | | 6+7x-5-5=4-7(1-x) | | -n-4=-3 | | 45x+23=23 | | (2/5)^8-x=5/2 | | 12z-4(5y-2z)= | | 6w+4y+7x+4x-12y+3w= | | 45+23=23 | | 12z-4(5y-2y)= | | d/5-(-1)=0 | | 3w+2x+11y+6w+9x-3y= | | 6=42/x | | 16/p-(-2)=6 | | 2(x+-7)=10X+18 | | 5x^2+7=87 |

Equations solver categories