93-4a=-7(4a-4)+-7

Simple and best practice solution for 93-4a=-7(4a-4)+-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 93-4a=-7(4a-4)+-7 equation:



93-4a=-7(4a-4)+-7
We move all terms to the left:
93-4a-(-7(4a-4)+-7)=0
We use the square of the difference formula
-4a-(-7(4a-4)-7)+93=0
We calculate terms in parentheses: -(-7(4a-4)-7), so:
-7(4a-4)-7
We multiply parentheses
-28a+28-7
We add all the numbers together, and all the variables
-28a+21
Back to the equation:
-(-28a+21)
We get rid of parentheses
-4a+28a-21+93=0
We add all the numbers together, and all the variables
24a+72=0
We move all terms containing a to the left, all other terms to the right
24a=-72
a=-72/24
a=-3

See similar equations:

| 2/3a=-8 | | -2=1x-9 | | 14=-u/4+2 | | 1/4x^2-36x+972=0 | | 41=4s+11s-19 | | 5x+8(35/3)= 35 | | −1+2v=−3 | | 5x+280/3 = 35 | | 0=1/3v+1 | | 0=1/4x^2-36x+972 | | 5x+8(35/5)= 35 | | -15x-74=16 | | 7.5=2.5/4x-32 | | Y=3/4x+14 | | -7x-98=56 | | Y=-x^2+20x-80 | | (x-44)+48=x | | 3(x+2)=(x+6)+4x | | 35/100=x/17 | | 2a÷5=3÷8 | | -2(4x+4)=26 | | 8b^2-11=0 | | 66-x^2+x=0 | | 121x^2-198x+81=0 | | 2x+x+3.1=10.2 | | (x+23)+x+57=122 | | -7=y-21/6 | | x÷-4=-13 | | 1m/7+3=-4 | | -5-5k=-95 | | -16(x²+3x-1x²-1)=0 | | [3x-15=0 |

Equations solver categories