40r-2(13-5r)+7=85

Simple and best practice solution for 40r-2(13-5r)+7=85 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 40r-2(13-5r)+7=85 equation:


Simplifying
40r + -2(13 + -5r) + 7 = 85
40r + (13 * -2 + -5r * -2) + 7 = 85
40r + (-26 + 10r) + 7 = 85

Reorder the terms:
-26 + 7 + 40r + 10r = 85

Combine like terms: -26 + 7 = -19
-19 + 40r + 10r = 85

Combine like terms: 40r + 10r = 50r
-19 + 50r = 85

Solving
-19 + 50r = 85

Solving for variable 'r'.

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

Add '19' to each side of the equation.
-19 + 19 + 50r = 85 + 19

Combine like terms: -19 + 19 = 0
0 + 50r = 85 + 19
50r = 85 + 19

Combine like terms: 85 + 19 = 104
50r = 104

Divide each side by '50'.
r = 2.08

Simplifying
r = 2.08

See similar equations:

| 3x^2+24x+80=0 | | 7x-.25=2 | | 1x+1y=3 | | 2(w-3)+7=1-3w | | 92/3= | | 96=(2x+1)(x+1) | | m^5+2=12 | | 3.1q-5.9-4.5q=-0.4q-5.9 | | 17t^2+14t=0 | | 3x^1+24x+80=0 | | 8s+10s-2s=-7-3 | | z=(y+5)-8(y+5) | | 6x+4+10x-12=180 | | 30f^2+29f=0 | | 80+72s= | | 4u-2=2(4-u)-4 | | 18=7x-3 | | 7x+5-6x=0 | | 4w+4/3=7w+6/6+2 | | 1/3-22=x | | 1/3z+8=-2/3z | | 18x^2+10x-288=0 | | 4n-6+2n+3=8+3n+1 | | (2-v)(4v+9)=0 | | 94=(x+7)+(3x+15) | | 20+30n= | | -1+6y+-5+-2y= | | 37p^2+14p=0 | | (2+v)(4v+9)=0 | | 2.8t-6=1.8t-6 | | 16.3-0.2x=7.1 | | 6a-2-2a=3a+4+4a |

Equations solver categories