15-3a=-30

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


Simplifying
15 + -3a = -30

Solving
15 + -3a = -30

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -3a = -30 + -15

Combine like terms: 15 + -15 = 0
0 + -3a = -30 + -15
-3a = -30 + -15

Combine like terms: -30 + -15 = -45
-3a = -45

Divide each side by '-3'.
a = 15

Simplifying
a = 15

See similar equations:

| 2(x-9)+4x=7-2x | | 10=5y-2+11y | | 6x^2-11xy-7y^2=0 | | (4a)=(2a+50) | | 8p-18=-6(3+8p)-8p | | 2(x+4)-5=2x+4 | | -19b+4=-3b+4-16b | | 3x-14=2x-25 | | f(-1)=-2(1-3)+2 | | x^2+9x=328 | | x+2.6=7.8 | | 81x^2+27x-5=0 | | x+206=7.8 | | 7+6m=-17+8m | | x^2+9x=336 | | 7+2x-6=9 | | d-8=-8-d | | -14-4y=18+12y | | 9g+7g-17=-17+16g | | -8+10j=10j+8 | | 2p+5+18p=19p-15 | | 4r+2=2+4r | | 2x^2+5=58 | | 19+19u=19u+6 | | -k+10=-8+5k | | -13-6d=-17-6d | | 1.6*x-3.38=5.81*x+4.67 | | 22+7x=99 | | -7n+3=6-7n | | 4x+400=-8 | | Xy+(7-y)= | | -7w-9=2w-9 |

Equations solver categories