9r+2=39r+7

Simple and best practice solution for 9r+2=39r+7 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 9r+2=39r+7 equation:


Simplifying
9r + 2 = 39r + 7

Reorder the terms:
2 + 9r = 39r + 7

Reorder the terms:
2 + 9r = 7 + 39r

Solving
2 + 9r = 7 + 39r

Solving for variable 'r'.

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

Add '-39r' to each side of the equation.
2 + 9r + -39r = 7 + 39r + -39r

Combine like terms: 9r + -39r = -30r
2 + -30r = 7 + 39r + -39r

Combine like terms: 39r + -39r = 0
2 + -30r = 7 + 0
2 + -30r = 7

Add '-2' to each side of the equation.
2 + -2 + -30r = 7 + -2

Combine like terms: 2 + -2 = 0
0 + -30r = 7 + -2
-30r = 7 + -2

Combine like terms: 7 + -2 = 5
-30r = 5

Divide each side by '-30'.
r = -0.1666666667

Simplifying
r = -0.1666666667

See similar equations:

| 6-9x=151-44x | | 127-4x=3x+22 | | -54-8x=10x+18 | | 8x+4=68 | | 13+20x=20x+15 | | 2x+6=-34-8x | | 66-5x=9x+24 | | 4x+7=55-2x | | 1x+11=121+x | | 4x+37=11x-26 | | 6(5p-3q+1)= | | 6x-17y=20 | | 4x+40=7x+13 | | 2x-3.45=6.60 | | 1.5x-2.5=3.5x+13.7 | | 3c-2=5c-8 | | 75-3x=33x+19 | | 6t+5=2t+25 | | 6-9x=87-30x | | -40-4x=5-9x | | -175-10x=9x+15 | | m+6n-m+n-5+6n+3m= | | 91-2x=10x+19 | | 5b+3=b-7 | | 5(7w)= | | 5x+40=15x-80 | | 108+4x=3x+17 | | 8x-15=4x+5 | | 3(x-8)=69 | | 3q+8-p+3-6q-11+2p= | | -19-3x=6x-8x | | 12x+6=6x+30 |

Equations solver categories