3a+5=7a-8

Simple and best practice solution for 3a+5=7a-8 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+5=7a-8 equation:


Simplifying
3a + 5 = 7a + -8

Reorder the terms:
5 + 3a = 7a + -8

Reorder the terms:
5 + 3a = -8 + 7a

Solving
5 + 3a = -8 + 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.
5 + 3a + -7a = -8 + 7a + -7a

Combine like terms: 3a + -7a = -4a
5 + -4a = -8 + 7a + -7a

Combine like terms: 7a + -7a = 0
5 + -4a = -8 + 0
5 + -4a = -8

Add '-5' to each side of the equation.
5 + -5 + -4a = -8 + -5

Combine like terms: 5 + -5 = 0
0 + -4a = -8 + -5
-4a = -8 + -5

Combine like terms: -8 + -5 = -13
-4a = -13

Divide each side by '-4'.
a = 3.25

Simplifying
a = 3.25

See similar equations:

| t+45=83 | | 18x=144 | | -3(2-m)=12 | | 3t=t+24 | | 2x+9x=11 | | 3x^3-48x=0 | | 5(4+j)=54 | | graphy=x | | 14+x=2x+5 | | 6w^2+25w-9=0 | | 2(x+5)=16-4x | | 6x(x^3+6x^2-7)=0 | | X^2-45=4X | | 3.6k-33=93 | | q-18=11 | | x^2+18x-10=0 | | 2x+24=-2x+32 | | -y+8=5 | | 53-6x=13-2x | | p+25=57 | | n-8+2n= | | -4y+2=-6 | | x+20+2x=41 | | 5n+9=19 | | 6x^4+36x^3-42x=0 | | x+1=9x-61 | | (x)x= | | -2(-5g+6)= | | 25+3h=574 | | 3(-2h+7)= | | 5x+2=4x^2 | | 8(y-10)= |

Equations solver categories