105=-5(7-7r)

Simple and best practice solution for 105=-5(7-7r) 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 105=-5(7-7r) equation:


Simplifying
105 = -5(7 + -7r)
105 = (7 * -5 + -7r * -5)
105 = (-35 + 35r)

Solving
105 = -35 + 35r

Solving for variable 'r'.

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

Add '-35r' to each side of the equation.
105 + -35r = -35 + 35r + -35r

Combine like terms: 35r + -35r = 0
105 + -35r = -35 + 0
105 + -35r = -35

Add '-105' to each side of the equation.
105 + -105 + -35r = -35 + -105

Combine like terms: 105 + -105 = 0
0 + -35r = -35 + -105
-35r = -35 + -105

Combine like terms: -35 + -105 = -140
-35r = -140

Divide each side by '-35'.
r = 4

Simplifying
r = 4

See similar equations:

| -4-(3-4p)= | | 3w^2-10=137 | | 9+-4x+7x=15 | | 104=-8(1+7m) | | -4x^2+20x+5=0 | | 5x+40=8x+7 | | 2n-4n=-6n | | 5x+8(4x-5)=-299 | | 4x-9y-12x+y-6y= | | 24=(20+x)-6 | | 2y-2x=2y-14 | | 3(4x+1)=63 | | 100=.7m+40 | | 6x=4(x+1) | | 6y-9=3y | | 5a+3a+6=6a-4 | | 319=11b | | 6=-3k+2k | | 7k-3=15 | | 4y+y^2= | | 4n-8n=-24 | | 16x^2=8-1 | | 4(25x^2-254x+311)=0 | | 9x=5x+36 | | x-2+4x=23 | | 12h^2=144 | | 49-5*7=H | | 5x+2=182-4x | | 49-5*7= | | 6=p-3+8 | | 25-5*5=h | | -.30x+3+-3=-1.50+-3 |

Equations solver categories