3a=7+a

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


Simplifying
3a = 7 + a

Solving
3a = 7 + a

Solving for variable 'a'.

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

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

Combine like terms: 3a + -1a = 2a
2a = 7 + a + -1a

Combine like terms: a + -1a = 0
2a = 7 + 0
2a = 7

Divide each side by '2'.
a = 3.5

Simplifying
a = 3.5

See similar equations:

| y=26.8+0.55x | | -w+5.3= | | 7y=80 | | 70=5x+15 | | 52=-1*4.9x^2 | | 8.7-3=5.5w+3.4 | | p-7+p+5= | | x+10+30= | | 5t-5=-5 | | 52=-4.9x^2 | | x+65+10= | | -2+10j=-8+7j | | 4x-5(x-11)=48 | | (4x-4)(4x+5)=63x | | x-5+45= | | 7d-3=172 | | 2(3x-1)=7x-6 | | -32+2x=70-4x | | 3x+5=9999 | | X^3-(36)=0 | | 8(2y-7)-(8y+2)= | | t-4.5=5.5 | | 23=36x-9 | | 31=47-4b | | x+9+2= | | 4m^2+2mn-12n^2= | | m(m+2)atm=2 | | solvex-3y=-1fory | | x+x-50= | | 2(x-3)+x=3(x-1)-3 | | -2k=-2k-1 | | V=3.144R^2H-AB |

Equations solver categories