3r-5=7r+7

Simple and best practice solution for 3r-5=7r+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 3r-5=7r+7 equation:


Simplifying
3r + -5 = 7r + 7

Reorder the terms:
-5 + 3r = 7r + 7

Reorder the terms:
-5 + 3r = 7 + 7r

Solving
-5 + 3r = 7 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-5 + 3r + -7r = 7 + 7r + -7r

Combine like terms: 3r + -7r = -4r
-5 + -4r = 7 + 7r + -7r

Combine like terms: 7r + -7r = 0
-5 + -4r = 7 + 0
-5 + -4r = 7

Add '5' to each side of the equation.
-5 + 5 + -4r = 7 + 5

Combine like terms: -5 + 5 = 0
0 + -4r = 7 + 5
-4r = 7 + 5

Combine like terms: 7 + 5 = 12
-4r = 12

Divide each side by '-4'.
r = -3

Simplifying
r = -3

See similar equations:

| -119=7+7m | | 4x^2y^3= | | 18v-24=0 | | -10=-9+12x | | x-2+2=-2 | | logx(12)=1 | | -3+27= | | 20x+8x-6x+20= | | 13=4x+5 | | 12+x=5-6x | | -x^3+x^2=0 | | 60x+10y=41 | | 44=1/2x8 | | 7x+29=25 | | 44=1/2•8 | | R^2-14r-18=9 | | x^2-4-x^3+4x=0 | | 2x+62=5x | | X-12+x+21=-1 | | 3(-5)-4=-55 | | -5-8x=-61 | | 5ax+3x=bx+5 | | 6y+33=9y | | 4/ln2 | | 4/ln(^2)2 | | -2x+3=4x+2 | | -4(4x-5)-2x-4=-5 | | 5x/12−y=9 | | 3(8x-1)=16x+53 | | 14-1/8w=3/4w21O | | N-7/6=1 | | 3/2(6-18x)12 |

Equations solver categories