7X+8(X-1)=20

Simple and best practice solution for 7X+8(X-1)=20 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 7X+8(X-1)=20 equation: 


Simplifying
7X + 8(X + -1) = 20

Reorder the terms:
7X + 8(-1 + X) = 20
7X + (-1 * 8 + X * 8) = 20
7X + (-8 + 8X) = 20

Reorder the terms:
-8 + 7X + 8X = 20

Combine like terms: 7X + 8X = 15X
-8 + 15X = 20

Solving
-8 + 15X = 20

Solving for variable 'X'.

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

Add '8' to each side of the equation.
-8 + 8 + 15X = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 15X = 20 + 8
15X = 20 + 8

Combine like terms: 20 + 8 = 28
15X = 28

Divide each side by '15'.
X = 1.866666667

Simplifying
X = 1.866666667

See similar equations:

| 8/x=20/4 | | 6x+9=103-10x | | x^2dy+(3xy-1)dx=0 | | =(3a-7)(2a+7) | | 9x-5=7x+6 | | Cot(5x/3) | | 2/5=21/x | | 6x+9y=-15 | | (x-.5)/77+1/60=(x)/75 | | (x-.5)/77+1/60=(x)/70 | | (x-.5)/77+2/60=(x)/70 | | (x-.5)/77+2/60=(x)/75 | | x/77+2/60=(x+.5)/75 | | LogC=1.3 | | 3X-5(X-1)=-7(X+3)-20 | | a*6+1=14 | | (r+9)(r-7)= | | y/3-8=y/2-2 | | -4+12=14x-2-13 | | 10h-17=16 | | 4y^2-8y+4=0 | | m^2-3m-378=0 | | 12X+7=5X-14 | | x/75+2/60=(x+.5)/75 | | 7/2-10/4 | | x/75+2=(x+.5)/75 | | (X^5/6)(X^1/6) | | x+.07x=21.4 | | 6x+8z=4+5y | | 40n-10=11 | | 15+7y=-15+2y | | 3(x-4)84/14 |

Equations solver categories