7(3x-7)=77

Simple and best practice solution for 7(3x-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(3x-7)=77 equation:


Simplifying
7(3x + -7) = 77

Reorder the terms:
7(-7 + 3x) = 77
(-7 * 7 + 3x * 7) = 77
(-49 + 21x) = 77

Solving
-49 + 21x = 77

Solving for variable 'x'.

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

Add '49' to each side of the equation.
-49 + 49 + 21x = 77 + 49

Combine like terms: -49 + 49 = 0
0 + 21x = 77 + 49
21x = 77 + 49

Combine like terms: 77 + 49 = 126
21x = 126

Divide each side by '21'.
x = 6

Simplifying
x = 6

See similar equations:

| -5t^2-14t+3=0 | | -5t^2-14t-3=0 | | x|3x-1=23 | | 5(x+6)=65 | | 0.3+0.06x=6.9 | | x(3x-5.4)=0 | | 2=k(4)square | | 2x^2+4x-144=0 | | 3-2(2r-6)=35+r | | 2y+3(3-4y)=24 | | 40a+80b+90c+120d=900 | | 4a+2b=80 | | X+18=3(x+12) | | 0=2*x*cosine(x)-x | | 9x-5=8x+4 | | .0029=4x^3 | | 4(x-3)=36-2x | | g(x)=x^2-7x+10 | | 20y^2-4y= | | N-18=-4 | | 2x-6(1.5x-2.5)=-6 | | 2x-6(1.5x-2.5)=6 | | 6ln(5x)=19 | | (5w+3)(1-w)=0 | | 8g+3=-2g+31 | | 4-9x=-5x-12 | | 3x+7=-23+2x | | 5x+2-6x=3 | | 23x+3=6x+3 | | 3(v+5)=5v+21 | | -16t^2+160=0 | | 17=5x-x+1 |

Equations solver categories