7m-3(m-4)=20

Simple and best practice solution for 7m-3(m-4)=20 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 7m-3(m-4)=20 equation:


Simplifying
7m + -3(m + -4) = 20

Reorder the terms:
7m + -3(-4 + m) = 20
7m + (-4 * -3 + m * -3) = 20
7m + (12 + -3m) = 20

Reorder the terms:
12 + 7m + -3m = 20

Combine like terms: 7m + -3m = 4m
12 + 4m = 20

Solving
12 + 4m = 20

Solving for variable 'm'.

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

Add '-12' to each side of the equation.
12 + -12 + 4m = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 4m = 20 + -12
4m = 20 + -12

Combine like terms: 20 + -12 = 8
4m = 8

Divide each side by '4'.
m = 2

Simplifying
m = 2

See similar equations:

| x+(4x)+(3x+54)=180 | | 2(x+2)-4=4 | | 1.24x=496 | | 5v+8=13 | | 2t-16=4 | | 19x-4-2x= | | 40x^2-80x= | | 6-(x+4)=3x-2 | | x=.40*85 | | -7n=-4 | | -16=3u-7 | | 34+34+2x=180 | | 13x+-7x=-12 | | 29+7+3a=32 | | 3x-14=5x+12 | | 5x-2+x+5= | | 5x-4=3(x-3) | | -3(x+13)=-18 | | 12x-31=41 | | 48+50+82=180 | | 25.12=1/3(12.56xh) | | 12am=5 | | 4.5+1.5k=19-3k | | 4/7x-5=-13 | | -6+4v=18 | | 5a-3=5s+24 | | 5-2a=1 | | -3(x-18)=12 | | 45=-6+0.6x | | 4x+3y=20+3y | | 12ax= | | -.2x+31.5=-65.1 |

Equations solver categories