6a-30+9=3a-15

Simple and best practice solution for 6a-30+9=3a-15 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 6a-30+9=3a-15 equation:


Simplifying
6a + -30 + 9 = 3a + -15

Reorder the terms:
-30 + 9 + 6a = 3a + -15

Combine like terms: -30 + 9 = -21
-21 + 6a = 3a + -15

Reorder the terms:
-21 + 6a = -15 + 3a

Solving
-21 + 6a = -15 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-21 + 6a + -3a = -15 + 3a + -3a

Combine like terms: 6a + -3a = 3a
-21 + 3a = -15 + 3a + -3a

Combine like terms: 3a + -3a = 0
-21 + 3a = -15 + 0
-21 + 3a = -15

Add '21' to each side of the equation.
-21 + 21 + 3a = -15 + 21

Combine like terms: -21 + 21 = 0
0 + 3a = -15 + 21
3a = -15 + 21

Combine like terms: -15 + 21 = 6
3a = 6

Divide each side by '3'.
a = 2

Simplifying
a = 2

See similar equations:

| (x-1/2)(x-1/2) | | 4+9(-3x)=9-4x | | 31/5+x=5 | | 30-3x=-9x | | 4p+17=p+2 | | 12/x+484/49 | | 275=.07x+x | | 3x-18=-30 | | 275=.7x+x | | 11x+18=3x-14 | | 4*(x+14)=-20 | | -6w^2+7w+5=0 | | 4x(x+14)=-20 | | 0.6x=0.42 | | 2(x+2x+4x+6x)=3x+32 | | 2(x+2x)=3x+32 | | 12x+7=2p-5 | | 5v-6=n | | 19-4s=-5 | | 1+5y=10y-1/4 | | 37/8+x=9 | | (3/4y+3/5)-(1/3y-6) | | 21/8/7/64 | | X/(X+8)=0.999 | | 40(4+8x)+9(-x+7)= | | z^4+9z=-20 | | an=5n-1 | | 5x(x+40)-6x=9x | | 7+d/6=16 | | 8+2+x=9+1 | | 10(t-3)+8t=6(3t+5)-11 | | 51x+402-6x=9 |

Equations solver categories