42r-(13-5r)+7=85

Simple and best practice solution for 42r-(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 42r-(13-5r)+7=85 equation:


Simplifying
42r + -1(13 + -5r) + 7 = 85
42r + (13 * -1 + -5r * -1) + 7 = 85
42r + (-13 + 5r) + 7 = 85

Reorder the terms:
-13 + 7 + 42r + 5r = 85

Combine like terms: -13 + 7 = -6
-6 + 42r + 5r = 85

Combine like terms: 42r + 5r = 47r
-6 + 47r = 85

Solving
-6 + 47r = 85

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + 47r = 85 + 6

Combine like terms: -6 + 6 = 0
0 + 47r = 85 + 6
47r = 85 + 6

Combine like terms: 85 + 6 = 91
47r = 91

Divide each side by '47'.
r = 1.936170213

Simplifying
r = 1.936170213

See similar equations:

| 7(x-3)1/7=x-3 | | 2X+3=X+20 | | 33+-41= | | 5m-17-2m=6m-1m | | p=1.2/H^2 | | 5x-10=15x+20 | | -31+-37= | | (7/x-2)=(-4)+(3/x+3) | | 5x-8=8+3x-x | | w-4/5=41/4 | | 3(x-1)-4(2x+3)=4 | | h-676=-16t^2 | | 6/y=9/12 | | 100000=.3x | | 3(n-6)=-6(n-6) | | 7x(10+6x)2= | | 4k+13=7k+5-4k | | 6-7.25/2.5+3.42 | | t^2*4=2 | | 3b+3(1+9b)= | | 7t+11=24 | | 5(2v+8)-4(3v+6)=v-5+v+1 | | 7+11=24 | | 8x+18=22 | | 1+1-x+4=x | | (n+6)-n+5n= | | -2(1-5x)+4(x+8)=58 | | -4(1-9n)-10= | | 4(k+5)= | | x^2-mx-4=0 | | 7(x+4)=3x+20+4x-2 | | 4(6n+7)=76 |

Equations solver categories