2r+4=30

Simple and best practice solution for 2r+4=30 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 2r+4=30 equation: 


Simplifying
2r + 4 = 30

Reorder the terms:
4 + 2r = 30

Solving
4 + 2r = 30

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 2r = 30 + -4

Combine like terms: 4 + -4 = 0
0 + 2r = 30 + -4
2r = 30 + -4

Combine like terms: 30 + -4 = 26
2r = 26

Divide each side by '2'.
r = 13

Simplifying
r = 13

See similar equations:

| -3x-42=3 | | (2/9)/(5/3) | | 3n-8=38 | | 5=-5+y | | 9n+17=116 | | 0=-2/3x-1 | | sqrt(x+2)-x=0 | | 6y=7(1.5+0.5y)-18 | | 6v^2+23v-18=0 | | 72(x+4)=180 | | 0.20x+0.25(70)=27.5 | | -(-4a)-(-4a)-(-4a)= | | 2x+0=9 | | x-7=-5-26 | | 1/3x-6i=8-3yi | | -3(3x+15)-1(10+1x)=35 | | 4-x=2/7 | | 0.04(y-5)+0.10y=0.20y-0.01 | | 1/3x-6i=8-3y | | f(x)=ln(43e^5x+6) | | 4a+7-8a= | | N(4)=4(22-N) | | 42=28x-14y | | 7h+15=141 | | -9x-7=-52 | | 1.54=ln(0.01/x) | | 5x+-4y=20 | | x+y+z=10000 | | 0=-1/5x-4 | | F-3=5 | | [(2x^2-4x+8)-(5x^2+8x-7)]-[(7x^2+9x-4)+(-5x^2+9x+1)]= | | 3a+4=91 |

Equations solver categories