-3a+2+4a=9-21

Simple and best practice solution for -3a+2+4a=9-21 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+2+4a=9-21 equation:


Simplifying
-3a + 2 + 4a = 9 + -21

Reorder the terms:
2 + -3a + 4a = 9 + -21

Combine like terms: -3a + 4a = 1a
2 + 1a = 9 + -21

Combine like terms: 9 + -21 = -12
2 + 1a = -12

Solving
2 + 1a = -12

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 + 1a = -12 + -2

Combine like terms: 2 + -2 = 0
0 + 1a = -12 + -2
1a = -12 + -2

Combine like terms: -12 + -2 = -14
1a = -14

Divide each side by '1'.
a = -14

Simplifying
a = -14

See similar equations:

| 36=9(2x-1) | | -8x-6x-9x=-46 | | 6x-3x=8+7 | | 4x+x=18-8 | | 3x^2+px-2=0 | | 7a+17=3y+49 | | 7+5[2-x]=x-1 | | 8(-8k-1)=-8-3k | | 4x^2+12x+9=x^2-6x+9 | | -5+4(1-5n)=-37-8n | | 4(4w-w)=3(2w+2) | | 13f-2(4+3f)= | | 7(n-7)=21-7n | | -34+8n=3+3(1+6n) | | 3x(x+1)-5=x(3x+2)+11 | | 4x^2-121+y^2=0 | | -37-5k=-2-2(4+7k) | | 4x-2x=-7x+18 | | -4(m-7)=32-2m | | 1x+4(x+5)=40 | | 10y=2y+7+7t | | 4(u-8)-9=-5(-6u+5)-8u | | -6(8k+5)+7k=-30+5k | | y=-3x^2+10x-3 | | 12x+y=35 | | -29=5(2a-1)+-2 | | 7(n-2)=-10+8n | | y=-2x^2+4x+20 | | -39-6n=-3(n+6) | | 2(x-5)-7=3(x+3) | | -4(8x-7)=3-7x | | -0.1x^2+0.1x-.01=0 |

Equations solver categories