7(a-7)=-3(a+4)

Simple and best practice solution for 7(a-7)=-3(a+4) 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(a-7)=-3(a+4) equation:


Simplifying
7(a + -7) = -3(a + 4)

Reorder the terms:
7(-7 + a) = -3(a + 4)
(-7 * 7 + a * 7) = -3(a + 4)
(-49 + 7a) = -3(a + 4)

Reorder the terms:
-49 + 7a = -3(4 + a)
-49 + 7a = (4 * -3 + a * -3)
-49 + 7a = (-12 + -3a)

Solving
-49 + 7a = -12 + -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.
-49 + 7a + 3a = -12 + -3a + 3a

Combine like terms: 7a + 3a = 10a
-49 + 10a = -12 + -3a + 3a

Combine like terms: -3a + 3a = 0
-49 + 10a = -12 + 0
-49 + 10a = -12

Add '49' to each side of the equation.
-49 + 49 + 10a = -12 + 49

Combine like terms: -49 + 49 = 0
0 + 10a = -12 + 49
10a = -12 + 49

Combine like terms: -12 + 49 = 37
10a = 37

Divide each side by '10'.
a = 3.7

Simplifying
a = 3.7

See similar equations:

| 11b-9r=m | | -6+20= | | 23-3x=4 | | -6+2t=8 | | -52=4(X-8)-2(X-5) | | 5.6-2a+1.4=4.5 | | 9x+6=6x+-8 | | 4t^2-4t+17=0 | | 0.3s-2=-2 | | 29x+37=28x+38 | | .4y^3+.6y^3-.3y^3= | | -15.00+2.00t=-11.00 | | y^2+4=0 | | 5r+3=2t+15 | | 5m-45=-27-4m | | 4x-8y-16=0 | | 18-4t=20 | | 54=-9x-6y | | -14+4a=12 | | 54=-9x-30 | | 54=-9-30 | | 12x-12=3x+8 | | 54=-9x-6*-30 | | 17n-24=0.55 | | -2z-xy=x+7forx | | xp+x=r | | px+x=r | | 2(2c-1)-5=2c+7 | | x-10=3x-6 | | 0.4n-1=-2 | | (3x-5w)(4x-7w)= | | 2(x+3)=3(x-8) |

Equations solver categories