3a-1=7

Simple and best practice solution for 3a-1=7 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-1=7 equation:


Simplifying
3a + -1 = 7

Reorder the terms:
-1 + 3a = 7

Solving
-1 + 3a = 7

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 3a = 7 + 1

Combine like terms: -1 + 1 = 0
0 + 3a = 7 + 1
3a = 7 + 1

Combine like terms: 7 + 1 = 8
3a = 8

Divide each side by '3'.
a = 2.666666667

Simplifying
a = 2.666666667

See similar equations:

| 3x-65=2x+20 | | 0.5*x+3=7 | | -8(-7+2b)= | | 2x+8=5x-4 | | 2x+5=3x-7 | | -103-8x=7x+17 | | 27x*3=23 | | 100-3x=3x+10 | | k^2-2k=63 | | 2w^2-w-190=0 | | 2x+2=x+6 | | q^2+7q=60 | | 6(9x-4)=3(2x-8) | | 3+4(2n-1)=-17 | | 11x-4=7x-12 | | 11z-4=7x-12 | | 10x+7=5x+37 | | 18=9(2+3y) | | 10x-25=95 | | 5-10t+3-7t= | | X^2=5x-10 | | f(-5)+f(2)= | | f(2)= | | 60x=8x+26 | | 12x^3-x-35=0 | | ax+8=4x+b | | x+5=3-7 | | 4x-7=x-8 | | 3m-18=2m | | 0.04(5-s)=0.05(6-s) | | (x^2+2x-3)=0 | | (x^2-2x-3)=0 |

Equations solver categories