20=2-(a+8)

Simple and best practice solution for 20=2-(a+8) 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 20=2-(a+8) equation:


Simplifying
20 = 2 + -1(a + 8)

Reorder the terms:
20 = 2 + -1(8 + a)
20 = 2 + (8 * -1 + a * -1)
20 = 2 + (-8 + -1a)

Combine like terms: 2 + -8 = -6
20 = -6 + -1a

Solving
20 = -6 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
20 + a = -6 + -1a + a

Combine like terms: -1a + a = 0
20 + a = -6 + 0
20 + a = -6

Add '-20' to each side of the equation.
20 + -20 + a = -6 + -20

Combine like terms: 20 + -20 = 0
0 + a = -6 + -20
a = -6 + -20

Combine like terms: -6 + -20 = -26
a = -26

Simplifying
a = -26

See similar equations:

| 4a-16=3a-16 | | 3m+5=2m+19 | | -5(2+r)=10 | | 4x+11=39-6x | | 5s^2+23s+24= | | (1/3)^2x=(1/9) | | 5x-6+4x=-24 | | 10a-29=4a-5 | | 2x-1+8x-43=180 | | y-7x=35 | | (6^3n)/(1.3^3n) | | -2p+9=17 | | 4w+8=6w-6 | | 5p + 7 = 3( 4 - p ) | | .03x=3000 | | 12x+11=55 | | 2n-20=4 | | x+(x+100)+2(x-300)=1500 | | 3x=x+18-16 | | tan(3.31/1.38) | | x+(x+100)+2(x-300)=2100 | | x^3+3x^2-2x+28=0 | | 8-3t=t-2t-6 | | w/-7=3 | | 2x^2-8=67 | | 11x-14= | | 9x^2+12-6=x^2-7 | | 3(2c+4)=30 | | -7(2x-8)+4x-18=-12+8(-3x+10)+15-x | | -4+k=14 | | 4x-9=24+9x | | 3x+(x-300)=2100 |

Equations solver categories