15(9-a)=30

Simple and best practice solution for 15(9-a)=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(9-a)=30 equation:


Simplifying
15(9 + -1a) = 30
(9 * 15 + -1a * 15) = 30
(135 + -15a) = 30

Solving
135 + -15a = 30

Solving for variable 'a'.

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

Add '-135' to each side of the equation.
135 + -135 + -15a = 30 + -135

Combine like terms: 135 + -135 = 0
0 + -15a = 30 + -135
-15a = 30 + -135

Combine like terms: 30 + -135 = -105
-15a = -105

Divide each side by '-15'.
a = 7

Simplifying
a = 7

See similar equations:

| 5(a-1)=15 | | 16b^3-12b^2-4b+3=0 | | 6x^2-14x-8000=0 | | 5p+wr=r-9g | | 8x=-12y+24 | | 3S+12=42 | | 4(3x+2)-x=y(x)-3 | | 100+n=3n | | 8(a-4)=40 | | 4(3x+2)-x=yx-3 | | s=(pi)r^2+(pi)rw | | 3(8+a)=27 | | -18x^2+x+81=0 | | 1.5[q-4]-2=4 | | 16x^3-16x^2+4x= | | y=2*x^2-x-3 | | 5c^2+5c+2c= | | x^2-11xy+30y^2= | | 8a-6a=24 | | 0.22(x+4)=0.2x+3.3 | | log^2(6x-2)=4 | | x^2-250x+15625=0 | | 4c+6-7c=2c-4+1c | | 128=4x+2(4x+4) | | X^2+10x+36= | | 4x+7(2x-13)=-1 | | 2x+4(8)=5 | | 2(5x-6)=32 | | 4x^4+5x= | | 6x+6(2x-11)=96 | | -4(x-7)+3(x+9)=5x | | 2x+4(18)=50 |

Equations solver categories