-4a-21=-19

Simple and best practice solution for -4a-21=-19 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 -4a-21=-19 equation: 


Simplifying
-4a + -21 = -19

Reorder the terms:
-21 + -4a = -19

Solving
-21 + -4a = -19

Solving for variable 'a'.

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

Add '21' to each side of the equation.
-21 + 21 + -4a = -19 + 21

Combine like terms: -21 + 21 = 0
0 + -4a = -19 + 21
-4a = -19 + 21

Combine like terms: -19 + 21 = 2
-4a = 2

Divide each side by '-4'.
a = -0.5

Simplifying
a = -0.5

See similar equations:

| 2x+3y-x(8+1)= | | -9(-9+x)=45 | | 1/a=-1/2 | | 5x+7=(-3x)-9 | | 3=-3(-3n-2)+6(n-8) | | -91=5x+3x-3 | | x-6+2x=0 | | 3(2n-9)=2(5n+8)+5 | | 28-8x=(x+3)+2 | | -2(-7+4x)+4(-3x+6)=78 | | -4log^125x=-16 | | 1/a=-2/n | | 9w-19w=-60 | | 0=3n+n | | -9=-6(1+8v)-(3+6v) | | a=fv-ov/t | | 50-3(4a-6)+3a-7= | | (3x-4x^2)-(6-5x^2)=0 | | 8c-16= | | 6x+5+6x+5=13x+8 | | 2x^2+10x=-3x+7 | | 15x+18y=12 | | 27+3x=42 | | 34+4x-3=3x+56 | | (x^3-2x^2+4x-6)+(5-x^2+3x)=0 | | -21=4y | | 28+8x=-7(x+3)+2 | | X(-2.9)=1.1 | | 7(b+3)+7(-4b+6)=63 | | 7(-1-2x)-4x=-97 | | 2/35=h/110 | | (-12x-2)=(x^2+33) |

Equations solver categories