5-21=2a

Simple and best practice solution for 5-21=2a 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 5-21=2a equation:


Simplifying
5 + -21 = 2a

Combine like terms: 5 + -21 = -16
-16 = 2a

Solving
-16 = 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-16 + -2a = 2a + -2a

Combine like terms: 2a + -2a = 0
-16 + -2a = 0

Add '16' to each side of the equation.
-16 + 16 + -2a = 0 + 16

Combine like terms: -16 + 16 = 0
0 + -2a = 0 + 16
-2a = 0 + 16

Combine like terms: 0 + 16 = 16
-2a = 16

Divide each side by '-2'.
a = -8

Simplifying
a = -8

See similar equations:

| solvex+0.08(60)=0.20(60+x) | | 3(x+5)=x+3+2x | | Sen(2x)+sen(4x)=0 | | 47.1=29.7-0.2x | | -47(x-11)-34=10-12 | | 2m-28=9m | | 2-7k=-4(k+1)-3 | | 4(x-8)=2x+6-x | | 3z-19=123 | | 2[t-(2t+8)+6]=2(t+2) | | 5x(x+8)+5x(6-x)=9(12+x)-8(7-x) | | 7(-6)(5)= | | 4z^2+3z-1=0 | | 2x^2-3y=32 | | -(z+7)+(5z+1)=5(z+1) | | 5x-19=3x+6 | | 3x(x+3)=24 | | 27x=33 | | 100-50= | | 8cosx-3=0 | | F(-1)=3x^3-5x^2-2x-5 | | 5x-2=125 | | 3x-7i=3(3x-7u) | | 8n+32=4(7n-7) | | (3a^3)(5a^2)= | | 2h=-3g+52 | | 2-3ln(x+1)=8 | | 3-2*-4=w | | 4(x+6)=6(x-2)+3x-4 | | y=2x^2-12x-19 | | (2x-1)+2(2x+6)=4x-1 | | (2p+3)(2p-3)=(2p+10)(2p-10)-91p |

Equations solver categories