-127=-7(2r+7)+r

Simple and best practice solution for -127=-7(2r+7)+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 -127=-7(2r+7)+r equation:


Simplifying
-127 = -7(2r + 7) + r

Reorder the terms:
-127 = -7(7 + 2r) + r
-127 = (7 * -7 + 2r * -7) + r
-127 = (-49 + -14r) + r

Combine like terms: -14r + r = -13r
-127 = -49 + -13r

Solving
-127 = -49 + -13r

Solving for variable 'r'.

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

Add '13r' to each side of the equation.
-127 + 13r = -49 + -13r + 13r

Combine like terms: -13r + 13r = 0
-127 + 13r = -49 + 0
-127 + 13r = -49

Add '127' to each side of the equation.
-127 + 127 + 13r = -49 + 127

Combine like terms: -127 + 127 = 0
0 + 13r = -49 + 127
13r = -49 + 127

Combine like terms: -49 + 127 = 78
13r = 78

Divide each side by '13'.
r = 6

Simplifying
r = 6

See similar equations:

| .36-.03(x+3)=-.04(2-x) | | 2x^3-74x-168=0 | | b^2-6b-7= | | -3[7+5(6-11)]-43= | | y=1.50x-45 | | f(x)=2x^2+5 | | 180=x(2x+2)(2x+4) | | 8x-4=2x-1 | | (y-7)-(y+8)=5y | | x^2-24=-24 | | 152=-4(-3+7m) | | 15=-4(-3+7m) | | 5y*y=2000 | | 5w-2w+14=-4 | | (3x+8)=(2y+17) | | 0=-8u-36 | | 13x-8+3x-5=12x-3+3x | | 0=8w+2 | | 4/5x-1 | | 4+x7=2 | | 0=6(3x^2-155x-1500) | | 4x-5+8x-6= | | 3.1y-7.4=-1.2 | | x^6+3x^3-1=0 | | -4=-9y+5 | | 4y-0.5=5y | | 180=(2x+2)(2x+4)(x) | | 7(a+1)=18 | | 7b-3b= | | 92=-4(1-4n) | | 2x+3x-6=4x+x-6 | | -2(m-1)+6(-6m-5)=-39(m+1)-9 |

Equations solver categories