-(a+7)=3(a+2)

Simple and best practice solution for -(a+7)=3(a+2) 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 -(a+7)=3(a+2) equation:


Simplifying
-1(a + 7) = 3(a + 2)

Reorder the terms:
-1(7 + a) = 3(a + 2)
(7 * -1 + a * -1) = 3(a + 2)
(-7 + -1a) = 3(a + 2)

Reorder the terms:
-7 + -1a = 3(2 + a)
-7 + -1a = (2 * 3 + a * 3)
-7 + -1a = (6 + 3a)

Solving
-7 + -1a = 6 + 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 + -1a + -3a = 6 + 3a + -3a

Combine like terms: -1a + -3a = -4a
-7 + -4a = 6 + 3a + -3a

Combine like terms: 3a + -3a = 0
-7 + -4a = 6 + 0
-7 + -4a = 6

Add '7' to each side of the equation.
-7 + 7 + -4a = 6 + 7

Combine like terms: -7 + 7 = 0
0 + -4a = 6 + 7
-4a = 6 + 7

Combine like terms: 6 + 7 = 13
-4a = 13

Divide each side by '-4'.
a = -3.25

Simplifying
a = -3.25

See similar equations:

| 3x*2x*5x= | | 0=x^2-19x+90 | | 11-3(x-2)=14 | | -9m-7=74 | | -7x-10=-20 | | 1.5(5-x)=3x+12 | | 4x^4-14x^2+12x=0 | | 8v-9=-13 | | 30x^2+30x-900=0 | | 6+6r=3r+5+6-11 | | 0=(x+1)(-4x+3) | | 2(2x)+2(2x)=72 | | 2[-n+6(n-3)]=-4n-29 | | (7t+-2)+(3t+-1)=-3(1+-3t) | | Ex+ax-d=gc | | 1+n=6n+6 | | 3x-5(x-3)=-5+3x-15 | | x^2-48x+24=0 | | 2(2x)+2(2x)=360 | | -6(3x+6)=72 | | 8n-(2n-3)=7 | | 5z-14=-24-2z | | 24-5n=15 | | 7(3+5h)-11= | | 0=9x^2+9x-1 | | 4.5h=297.9 | | 4x+5-4x+4=9 | | -9+6x=3x+5-2 | | 82=2(1-8p) | | -5x+18=62 | | 2x+4*5=3x-3*3 | | 3y-9x=-15 |

Equations solver categories