8-2a=7

Simple and best practice solution for 8-2a=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 8-2a=7 equation:


Simplifying
8 + -2a = 7

Solving
8 + -2a = 7

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + -2a = 7 + -8

Combine like terms: 8 + -8 = 0
0 + -2a = 7 + -8
-2a = 7 + -8

Combine like terms: 7 + -8 = -1
-2a = -1

Divide each side by '-2'.
a = 0.5

Simplifying
a = 0.5

See similar equations:

| 14x^2y^2+5xy-24=0 | | 1x+18+1x-20=90 | | 7(2x+4+y)= | | 5y^3+34y^2-7y=0 | | 0.04(y-1)+0.12y=0.06y-0.03(20) | | 15/46= | | .5x=3.5 | | 3-6(x+3)=3 | | 2x^2+26x+80= | | 2x^3+5x^2-42x=0 | | -4x-9y-2x+12y= | | 3x-70+x+50=180 | | -5(6-x)+6=10-7(x+2) | | 7b=8b-3 | | -35y^2-13y+12=0 | | 27+6x=48+9x | | x^2+343=0 | | 2x+18=28 | | 7-8r=-25 | | -9x+5=-8-8x | | -2b-5=-21 | | 7x-4=-15+8x | | 13=y-5 | | 2n-4=-10 | | 5-3s=-36-5(5s+5) | | 2x-1(-4+7)=(x-6)-6(3x-4) | | y^3-10y^2+25y=0 | | x^3+4x=5x^2 | | 4-2m=24 | | 24y*5y=60 | | x+4x=35 | | 42t^2-17t-15=0 |

Equations solver categories