3a+a-2=-18

Simple and best practice solution for 3a+a-2=-18 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 3a+a-2=-18 equation:


Simplifying
3a + a + -2 = -18

Reorder the terms:
-2 + 3a + a = -18

Combine like terms: 3a + a = 4a
-2 + 4a = -18

Solving
-2 + 4a = -18

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 4a = -18 + 2

Combine like terms: -2 + 2 = 0
0 + 4a = -18 + 2
4a = -18 + 2

Combine like terms: -18 + 2 = -16
4a = -16

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

Simplifying
a = -4

See similar equations:

| (268522-x)/1368=192 | | x^2+x-27=0 | | 432=8(24)+8o | | (280222-x)/1326,25=193 | | 18=2x | | 0=28-4t | | 4=13-6z | | -7-3y=10 | | 8c-15=9 | | 6=5b+11 | | 6(-2.6-2)=2(9(-2.6)-2) | | 11+-0.8x=0.6 | | 3=2a+9 | | 23=4z+7 | | 4y-8-2+5=0 | | 45=3y+6 | | 2(-11)-2-5(-11)-10=10-11 | | 1=2y+8 | | 6-7x=91-42x | | 2(-11)-2-5(-11)-10=10-x | | 100(3)x-1=0 | | 0.75(6x+9)=14 | | -8=0.111(-9t+27) | | 2x+356x= | | 2t+8=3t-11 | | 5r-0.2=0.8 | | (x+7)4= | | 2x+5=x+10 | | 7p^2-6p+1=0 | | g^2+2g-3=0 | | 3x+7+(4-y)i=28+8i | | x^2-8x+16=29 |

Equations solver categories