7.8a+15=100.8

Simple and best practice solution for 7.8a+15=100.8 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 7.8a+15=100.8 equation: 


Simplifying
7.8a + 15 = 100.8

Reorder the terms:
15 + 7.8a = 100.8

Solving
15 + 7.8a = 100.8

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + 7.8a = 100.8 + -15

Combine like terms: 15 + -15 = 0
0 + 7.8a = 100.8 + -15
7.8a = 100.8 + -15

Combine like terms: 100.8 + -15 = 85.8
7.8a = 85.8

Divide each side by '7.8'.
a = 11

Simplifying
a = 11

See similar equations:

| sqrt(4x+9)-8=5 | | 1/5d=72 | | 3x+2=-x-6 | | 14=n/5 | | -2w=15 | | -13m=-14-6m | | -13m=-14-6 | | 6nsquared+n-1=0 | | x-18/x=3 | | 1/11+1/3+1/7= | | 2(2+x)+2(x)=16 | | 2c-d=6 | | 2x-15=-4x+27 | | 12F-4C+8C=4F+10C-3G | | 6n+6n+n-1=0 | | y=8x-25 | | 1.2p=30 | | 38+12-38+47-12+5= | | (x-2)(x+1)=7 | | K+10=6k+7 | | 11x-3+42=21x-1 | | 5d-11=16 | | 2x+5=5x+20 | | 7m+4=2m+6 | | 4(2x-3)-x=9-6(x+1) | | 10x=5/y | | X-(X*.04)=150 | | -10x+-3+-2.5+20=67 | | c=yh+x | | 2x+40-5x=1-6x+3 | | 3(3n+3)=39 | | Have-6+7h=42 |

Equations solver categories