-7(3a+3)=105

Simple and best practice solution for -7(3a+3)=105 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(3a+3)=105 equation:


Simplifying
-7(3a + 3) = 105

Reorder the terms:
-7(3 + 3a) = 105
(3 * -7 + 3a * -7) = 105
(-21 + -21a) = 105

Solving
-21 + -21a = 105

Solving for variable 'a'.

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

Add '21' to each side of the equation.
-21 + 21 + -21a = 105 + 21

Combine like terms: -21 + 21 = 0
0 + -21a = 105 + 21
-21a = 105 + 21

Combine like terms: 105 + 21 = 126
-21a = 126

Divide each side by '-21'.
a = -6

Simplifying
a = -6

See similar equations:

| 12x-12=9x+9 | | 3a+a=23 | | 18m+m=19m | | 9d-d+2d+5-2d=0 | | abs(3x-1)=2 | | 2x+12=20-2x | | -19h+12+6-18h= | | (3+a)+a=23 | | 18=8-x+3x | | x^2-10x+12=-2x-3 | | 10+3x=y | | -6x-10(-1)=-26 | | -2(x+1)-3=x+7 | | x^2-7x+18=8 | | 5+55x=33+17x | | 4x^2-36x+47=-9x+2 | | 15-5x=3.5y+20 | | 5-55x=33+17x | | 4(x-2)+18=2x+4 | | -4-12k-5-17k= | | 3(x+2)-4.5=x-8.5 | | 3+a=23 | | 2(x-1)+4=x+3 | | 16a+24b=b(2a+3b) | | y=0.3x+5.9 | | 30-6x=6-9x | | 0.11+0.2(x-4)=0.01(2x-5) | | 5x+5=-44-2x | | 2x+6y+2-2y-10x-4= | | -10-5+13n-12n= | | 5n-7n=6 | | -3x+2=x-14 |

Equations solver categories