-7(4-2a)=84

Simple and best practice solution for -7(4-2a)=84 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(4-2a)=84 equation: 


Simplifying
-7(4 + -2a) = 84
(4 * -7 + -2a * -7) = 84
(-28 + 14a) = 84

Solving
-28 + 14a = 84

Solving for variable 'a'.

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

Add '28' to each side of the equation.
-28 + 28 + 14a = 84 + 28

Combine like terms: -28 + 28 = 0
0 + 14a = 84 + 28
14a = 84 + 28

Combine like terms: 84 + 28 = 112
14a = 112

Divide each side by '14'.
a = 8

Simplifying
a = 8

See similar equations:

| 0.25(2.5+1.5(x-4))=-x | | (5x+3yi)+(2y-xi)=3-i | | 20.50+c*12.99=163.39 | | -30=1y-5 | | 83-2x=2x-23 | | X+(x-30)=180 | | 3y+9=-6x | | 0=-1.5x^2+12x-20.5 | | 77-2x=9x-22 | | 3n=-43+(-40n) | | 95=-5(6r-7) | | 5x-35=7x-73 | | -4x-5x=8-8x | | u-9u=9 | | 8(8-2x)=160 | | x^3-2x^2-11x+29=5x-3 | | 8xy^2+12y= | | 8x^2+48x=-40 | | 5W=-1 | | -5(t-3)+9t=7t-8 | | -6(-6b-8)=264 | | K+m=-7 | | 4y^2-8y=37 | | 12x^2+-5x+-2=0 | | 10-3x=5(2) | | 5x-8x=36 | | 16x=-72 | | x^2-90x+2000= | | 2(15x-2)+22=2(5+x)+30x-4 | | -15=t-5 | | 7.2x=14.4 | | -x+45=-27-7x |

Equations solver categories