7a-3.9=6.2

Simple and best practice solution for 7a-3.9=6.2 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 7a-3.9=6.2 equation:


Simplifying
7a + -3.9 = 6.2

Reorder the terms:
-3.9 + 7a = 6.2

Solving
-3.9 + 7a = 6.2

Solving for variable 'a'.

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

Add '3.9' to each side of the equation.
-3.9 + 3.9 + 7a = 6.2 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + 7a = 6.2 + 3.9
7a = 6.2 + 3.9

Combine like terms: 6.2 + 3.9 = 10.1
7a = 10.1

Divide each side by '7'.
a = 1.442857143

Simplifying
a = 1.442857143

See similar equations:

| 6x+33=15x-58 | | r-7=12 | | -3(2x+1)=4x+7 | | a^2-4ab-32b^2=0 | | 3x+26=6x+12 | | 4(x+1.62)=3x | | 2.5m+9.58=-8.42 | | 4x-2+3x-6=180 | | 35z+4(7z-42)=18(2z-3)-3(2-172) | | 72=4m | | -8t-24=-15 | | 2x+8(x+2)=76 | | 10t^2+39t-27=0 | | 8x^2-17x+21=0 | | (7r+3)(4r-12)=0 | | 7x+7=7(x+7) | | (13a+7)(6a-18)=0 | | 5/13=k-4/39 | | -.25w-20=-30 | | -4(x+6)+8x=24 | | -4y+16=5 | | -21+8=m-9 | | 280x+30=300x*1.5*x | | x-7=-2+4 | | P+8=8 | | 3(c+.33)=4 | | -6(x+5)+7(2x+1)= | | 500(x-20)-300x=30 | | -7(z+3)=-8z | | x^4-4x^2+y^3-4y=0 | | x^6-2xy+y^6=0 | | 169x^2-64=0 |

Equations solver categories