21=7x+5(x+5)

Simple and best practice solution for 21=7x+5(x+5) 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 21=7x+5(x+5) equation:


Simplifying
21 = 7x + 5(x + 5)

Reorder the terms:
21 = 7x + 5(5 + x)
21 = 7x + (5 * 5 + x * 5)
21 = 7x + (25 + 5x)

Reorder the terms:
21 = 25 + 7x + 5x

Combine like terms: 7x + 5x = 12x
21 = 25 + 12x

Solving
21 = 25 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
21 + -12x = 25 + 12x + -12x

Combine like terms: 12x + -12x = 0
21 + -12x = 25 + 0
21 + -12x = 25

Add '-21' to each side of the equation.
21 + -21 + -12x = 25 + -21

Combine like terms: 21 + -21 = 0
0 + -12x = 25 + -21
-12x = 25 + -21

Combine like terms: 25 + -21 = 4
-12x = 4

Divide each side by '-12'.
x = -0.3333333333

Simplifying
x = -0.3333333333

See similar equations:

| 4n-8=3h+2 | | x(x+1)(x-1)(x+2)=24 | | Lnx=0.9 | | 9x-3y+4z=21 | | 3.7=-0.21x | | 8y-7y-2=9 | | x^2-2z^2+4z=0 | | 31-(x+5)=7x-6 | | v-8/v-3v-10/5v | | v=4/3*3.14*.014 | | G(4x)=2x^2-x | | 7e^2x-3=70 | | 15-24=3x | | f(x)=7(A)x | | 3x+5y=20.40 | | f(x)=200(0.84)x | | 9x-6=2x+57 | | c=(6n-5g)/11 | | (1000/x)=40 | | l-2x-3l=9 | | y=4tan(4x) | | 2sin(x+30)=1 | | y=2.1ln(x)-.75x+18 | | 0.75x-.5=.5+2.5 | | 9c^4d-21c^3d^2+6c^2d^3=0 | | x=-2s-7 | | -2s-7=x | | 12x-18y+72=0 | | -6-(-4x)=30 | | 12x+18y-72=0 | | y-9.6=2.2 | | (X+3)(x-5)=12x-10 |

Equations solver categories