7=100-3a

Simple and best practice solution for 7=100-3a 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=100-3a equation:


Simplifying
7 = 100 + -3a

Solving
7 = 100 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
7 + 3a = 100 + -3a + 3a

Combine like terms: -3a + 3a = 0
7 + 3a = 100 + 0
7 + 3a = 100

Add '-7' to each side of the equation.
7 + -7 + 3a = 100 + -7

Combine like terms: 7 + -7 = 0
0 + 3a = 100 + -7
3a = 100 + -7

Combine like terms: 100 + -7 = 93
3a = 93

Divide each side by '3'.
a = 31

Simplifying
a = 31

See similar equations:

| 4.2(x+2)=12.6 | | 3y+8-y=4+y+1 | | 6/128=x/12 | | 9y+8-2y=3+6y+3 | | 8y^3+125=0 | | 9y+y=9y+9 | | -8y=32*2+0.25y | | 2x(4x-1)=21 | | 9-3x=1+2x | | 2-8y+3+2y+6= | | 8+x=2x-7 | | -2c+8c=14 | | 6x-13x=40 | | 32x-8y=64 | | 10a+3b=37 | | x^2+2x-106.25=0 | | x^4+y^4-11x^2-11y^2+2x^2y^2+18=0 | | 5s+2t=47 | | 211-5x=31x+23 | | 7x-x-x-x-x=1+2+3x | | ax+5y=-6 | | 4x^2=35-4x | | x^2+y^2-6y=0 | | 2x+38=11x-71 | | 3x-x=2+8 | | 10n=8 | | x^2+9y^2-z^2=0 | | y=-8x+6 | | 24x^2+8x-192=0 | | (n-4)*5=20 | | 4ax+7y=-12 | | 260-3x=42x+20 |

Equations solver categories