7(m+15)=21

Simple and best practice solution for 7(m+15)=21 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 7(m+15)=21 equation:


Simplifying
7(m + 15) = 21

Reorder the terms:
7(15 + m) = 21
(15 * 7 + m * 7) = 21
(105 + 7m) = 21

Solving
105 + 7m = 21

Solving for variable 'm'.

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

Add '-105' to each side of the equation.
105 + -105 + 7m = 21 + -105

Combine like terms: 105 + -105 = 0
0 + 7m = 21 + -105
7m = 21 + -105

Combine like terms: 21 + -105 = -84
7m = -84

Divide each side by '7'.
m = -12

Simplifying
m = -12

See similar equations:

| 9X-8X+12=10-7 | | 4r+5=33 | | -5k=10 | | (3*19)-11= | | 17x^2+16x-32=0 | | 4x+39=-(1+7x)-4 | | -4=m-12 | | sin^2x-2sinx-24=0 | | 4/15=35/c | | (6z^5)^3/(z^-4) | | 5=5x+6(2x+15) | | 9b+2=12 | | 6t-7=47 | | 5=-8x+3(x-5) | | 60/p=16 | | 54x^2+36x=0 | | (x-13)(x+13)=00 | | 18+-12x+-27x=10x+-31 | | 7x+5(-3x+5)=97 | | 4(-2y+2)=72 | | C+7=2c-13 | | 14=a-(-9) | | 4=-1+1 | | 3x-5=2x+5+x | | x^3-6x^2-13x+42=0 | | 2(b-7)=3(b+5) | | k=2k+2z | | 13-4p=-3(-p-2) | | 4a-2b=16a-12b+3 | | f(3)=2x+x | | 4(b-3)=2(4b+3) | | (1+z)(5z+2)=0 |

Equations solver categories