3(4n-7)=21+12

Simple and best practice solution for 3(4n-7)=21+12 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 3(4n-7)=21+12 equation:


Simplifying
3(4n + -7) = 21 + 12

Reorder the terms:
3(-7 + 4n) = 21 + 12
(-7 * 3 + 4n * 3) = 21 + 12
(-21 + 12n) = 21 + 12

Combine like terms: 21 + 12 = 33
-21 + 12n = 33

Solving
-21 + 12n = 33

Solving for variable 'n'.

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

Add '21' to each side of the equation.
-21 + 21 + 12n = 33 + 21

Combine like terms: -21 + 21 = 0
0 + 12n = 33 + 21
12n = 33 + 21

Combine like terms: 33 + 21 = 54
12n = 54

Divide each side by '12'.
n = 4.5

Simplifying
n = 4.5

See similar equations:

| 13+z=43 | | 12=13w-9w | | 4.8=-10+x | | 2.885=5.89x+6.357 | | x(x-4)=252 | | -2(7n-4)+n=-8n+28 | | 25x^3-975x+576=0 | | 8b^3+18b^2-56b= | | 5(2x-1)-14=12x-21 | | 7.2+t=1.65 | | 4=20*4+14 | | 4(3-y)=15-4y-7 | | 9=(k)31 | | 3(3x+3)=3x-6 | | t-27=56 | | 7x+21-5x+21=4 | | 3/3x=13/4 | | K-10=-2k+k | | Y=x^3-4x^2+4x | | 15x+12y=42 | | 6+3p=8p-14 | | 3(8x+4y)-4(y-7x)= | | 5=24x-7 | | 1-x=4x-9 | | 2x-x=87 | | 11=15-2w | | (-4.7)(7.2)= | | -(8k+1)=35+4k | | 50-2x=80-22x | | 15(-0.8y+2.8z)+12y=42z | | 15x-5=6x-3 | | 14x^2+27x-20= |

Equations solver categories