7(a+7)=77

Simple and best practice solution for 7(a+7)=77 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)=77 equation: 


Simplifying
7(a + 7) = 77

Reorder the terms:
7(7 + a) = 77
(7 * 7 + a * 7) = 77
(49 + 7a) = 77

Solving
49 + 7a = 77

Solving for variable 'a'.

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

Add '-49' to each side of the equation.
49 + -49 + 7a = 77 + -49

Combine like terms: 49 + -49 = 0
0 + 7a = 77 + -49
7a = 77 + -49

Combine like terms: 77 + -49 = 28
7a = 28

Divide each side by '7'.
a = 4

Simplifying
a = 4

See similar equations:

| 5(x+2.95)=47.75 | | 149=(4*9*4)+2(4*H) | | (0.32)(x)=1106 | | (x+9)(4x-5)=31x-36 | | 0=2c-4 | | 5(3x-9)=8(x) | | 12x^3-7x^2-17x^7+4x^4=0 | | 45000+5x=0 | | 33x-9=2x+16 | | 6(x+3)=2(3x+2)+14 | | -17x^7+4x^4+12x^3-7x^2=0 | | 5x-4=2x+88 | | 2(4x+7)=-27+9 | | 11x=-16+38 | | -11-9p=146 | | 5(3x-3)=28 | | -48+x=-8(7+x) | | X/4=4 | | 9(x-8)=6+8x | | 0.6(x+90)+1.2x=135 | | 3x-2=112 | | 2x-19=9x+6 | | -4x+21=7x-15 | | 3x+6x-4x-8x= | | (x/x-1)=(6/5) | | v^2-8y+13=0 | | 4logx-2=0 | | 10(3a-4)=-5(4a-3)-5a | | 4x+4=7x+8 | | 8-(4x-2)=8-5x | | 3/4x5/8 | | 5(x+7)+11=3(x-6) |

Equations solver categories