9r+4=7r

Simple and best practice solution for 9r+4=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 9r+4=7r equation:


Simplifying
9r + 4 = 7r

Reorder the terms:
4 + 9r = 7r

Solving
4 + 9r = 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.
4 + 9r + -7r = 7r + -7r

Combine like terms: 9r + -7r = 2r
4 + 2r = 7r + -7r

Combine like terms: 7r + -7r = 0
4 + 2r = 0

Add '-4' to each side of the equation.
4 + -4 + 2r = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 2r = 0 + -4
2r = 0 + -4

Combine like terms: 0 + -4 = -4
2r = -4

Divide each side by '2'.
r = -2

Simplifying
r = -2

See similar equations:

| 7x^2-42x+59=0 | | (2x/5)-x=(x/15)-16/3 | | n+z=h | | x/9=(x/10)-1 | | x/9=x/10-1 | | 7(x+8)=4[x-(2-x)] | | 5(x-2)-2=-17 | | -4/3(-6x-5)=8 | | 7+3=5x+13 | | 7x+8=4-(2x-8) | | 5x+3/2=6 | | -11x(2)=14 | | 5(x-2)+3x=-34 | | 3(2c+5)= | | x-25/4+x-1/6 | | 1(2x-2)=-4 | | 7x(2)=14 | | ln(-2x+3)=ln(5x+3) | | 2x+7=4-(7x-5) | | x-31/4+x-39/6=-13 | | 5(x-1)-3x=7 | | 2(5x+4)=33 | | 4(x+4)-1=23 | | 152/1*31/38*15/16 | | 19=-4(h-5)+h | | 4(x+1)-3=29 | | 21x-1=18x+13 | | 12/13x=60 | | 152/1x31/38x15/16 | | 15x^2=-x+2 | | 3x+19y=29 | | 3-5(6-7x)=0 |

Equations solver categories