4(a+7)=20

Simple and best practice solution for 4(a+7)=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(a+7)=20 equation: 


Simplifying
4(a + 7) = 20

Reorder the terms:
4(7 + a) = 20
(7 * 4 + a * 4) = 20
(28 + 4a) = 20

Solving
28 + 4a = 20

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 + 4a = 20 + -28

Combine like terms: 28 + -28 = 0
0 + 4a = 20 + -28
4a = 20 + -28

Combine like terms: 20 + -28 = -8
4a = -8

Divide each side by '4'.
a = -2

Simplifying
a = -2

See similar equations:

| 4(-9+u)= | | 10x+4-25= | | 5(8-x)=1.3(6-x) | | 4(-8+2k)= | | 4(3-5k)=92 | | 6(2b-8)=-96 | | -1.2x^2-4x+3.2=1.1 | | 23-x=8x+5 | | 7y+3(y-2)=6(y+1)-3 | | Z^7+1=0 | | -7-8n+3=243 | | (4x+2)=3x-16 | | 7x-28=23 | | 15=5(2N-1) | | 3-2.7x=9.6+3.3x | | 32/16=12/x | | x-3/x^3-36x | | 44x+36=36 | | h(x)=x-3/x^3-36x | | 6(2x-2)=12x-12 | | 12/y=32/16 | | -a-12-5a=-96 | | 9+2x=36 | | ln(4x^3)=ln(3x)+1 | | 5x^2-14=-33x | | 5m+8-3m=-48 | | 4x/8=3x-3 | | 8x-12=3x-3 | | 2x^2-19x=33 | | 12x+6=11x+17 | | .50x+0.25(50)=35.5 | | -21=-3+3u |

Equations solver categories