-4(3-a)=20

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


Simplifying
-4(3 + -1a) = 20
(3 * -4 + -1a * -4) = 20
(-12 + 4a) = 20

Solving
-12 + 4a = 20

Solving for variable 'a'.

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

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

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

Combine like terms: 20 + 12 = 32
4a = 32

Divide each side by '4'.
a = 8

Simplifying
a = 8

See similar equations:

| 5k+2=2k-7 | | 0.19z=0.038 | | x=2y+84 | | 5a/5a-15 | | 3x+-6=2x | | 4x+5=6x+11 | | 2−b/3=−5/2 | | 8(6a+6)=6(4a-4) | | f(6)=16 | | (x+2)+(4x-37)=180 | | -n=35 | | 2.3x=0.69 | | 5x+4=3-4(x-2) | | -0.7y=2.1 | | (14x+6)+(26x+4)=90 | | m^2-30m-675= | | x(2x+2)=312 | | 9x+8x^2=-1 | | a^2+42a+432= | | 10x+33y=100 | | 7x+2(-8x-2)=-34-4x | | x^2+12x-364= | | 8Y-10Y=-8-10 | | 1.75y-y=33000 | | -31-(-13)=X/6 | | 14x+6=26x+4 | | 30-15=3(x-9) | | 11x-46=5x+38 | | 43+4y-9=14y-14-2y | | x+22+3x=-22-3x-26 | | 3x+5(x+2)-9x=2x-(x+8) | | a^2+a-380= |

Equations solver categories