15-3a=3-7a

Simple and best practice solution for 15-3a=3-7a 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=3-7a equation:


Simplifying
15 + -3a = 3 + -7a

Solving
15 + -3a = 3 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
15 + -3a + 7a = 3 + -7a + 7a

Combine like terms: -3a + 7a = 4a
15 + 4a = 3 + -7a + 7a

Combine like terms: -7a + 7a = 0
15 + 4a = 3 + 0
15 + 4a = 3

Add '-15' to each side of the equation.
15 + -15 + 4a = 3 + -15

Combine like terms: 15 + -15 = 0
0 + 4a = 3 + -15
4a = 3 + -15

Combine like terms: 3 + -15 = -12
4a = -12

Divide each side by '4'.
a = -3

Simplifying
a = -3

See similar equations:

| .8x=19 | | 3x+3+120=8x+8 | | 4p^2+12pr+9r^2= | | 6z^2-5x+1=0 | | s^2+30s+225= | | -4(-8x+9)=-2(-7x-9) | | 2x-28x+21=7-14x | | n^2-8n+16= | | 6z=32+z | | 24x+18=35x-15 | | 1-10z+25z^2= | | 90=1.5(t^2)+8 | | x^2+1-9=0 | | a^3-18a^2=-81a | | -5(x-2)=50 | | 5c-12c=35 | | 6w+2=9w+14 | | 40x-1=39 | | 4a^2-20a+25= | | a=pir^2+pi(r)(s) | | 25=-4x-7 | | 2n^2+17n+21= | | 7m-9m=x | | 7m-9m= | | x^2-10x-100= | | -8x+19+11x=40 | | (8x^2+2y^2)-(8x^2-2y^2)= | | n^2-13n+36= | | -26+2x=-2 | | 0.6+1.2=x | | 17x-9=76 | | -3.5=7.5+x |

Equations solver categories