-3(1-4a)=-87

Simple and best practice solution for -3(1-4a)=-87 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(1-4a)=-87 equation: 


Simplifying
-3(1 + -4a) = -87
(1 * -3 + -4a * -3) = -87
(-3 + 12a) = -87

Solving
-3 + 12a = -87

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 12a = -87 + 3

Combine like terms: -3 + 3 = 0
0 + 12a = -87 + 3
12a = -87 + 3

Combine like terms: -87 + 3 = -84
12a = -84

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

Simplifying
a = -7

See similar equations:

| 7(2/3) | | g(3gn)=3gn^2+5(3gn) | | s=yr-6yt^3 | | 6+2x(x+3)=2x^2 | | 1.3x+2.6=1.7x+2.3 | | (10/1)=(40/x) | | -3(-2x-3)+x-3=-36 | | x(2x-2)+x(5x-5)=(7x+7)(x-4) | | 10=15(.20)+5 | | 23x-25=90 | | x/3-9/4=x/6-1/12 | | 3x+0.5(x-2x)+2x=4 | | -3.7-4y-4.1-2y=5y+5.8 | | -13/8•24/13 | | 4(2-x)=5-8x+3+4x | | (a-6)/(a-1) | | -33-n=5(n+3) | | 3x-2=-(x+46) | | -13/8•24-13 | | A^2/a | | -0.2+13=0.2-6 | | 3gn=3gn^2+5(3gn) | | n(-3n-5)/8 | | (a^3-6)/(a-1) | | 3(1+11x)=8(-12+6x)-14 | | y*2=-3*x+4 | | 5x-12x+2=4 | | 4(2x-2)-x+4=52 | | 5n+4(-5+3n)=1-n | | 1000+1200m=1500+1175 | | y^2=-3x+4 | | 9p+6p-3p=45 |

Equations solver categories