X+(X+21)=169

Simple and best practice solution for X+(X+21)=169 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 X+(X+21)=169 equation:


Simplifying
X + (X + 21) = 169

Reorder the terms:
X + (21 + X) = 169

Remove parenthesis around (21 + X)
X + 21 + X = 169

Reorder the terms:
21 + X + X = 169

Combine like terms: X + X = 2X
21 + 2X = 169

Solving
21 + 2X = 169

Solving for variable 'X'.

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

Add '-21' to each side of the equation.
21 + -21 + 2X = 169 + -21

Combine like terms: 21 + -21 = 0
0 + 2X = 169 + -21
2X = 169 + -21

Combine like terms: 169 + -21 = 148
2X = 148

Divide each side by '2'.
X = 74

Simplifying
X = 74

See similar equations:

| 7x+1=7x-3 | | 16x^2-28x+7=0 | | 5(x+3)+7x=39 | | (n)4(n)5(n)=50 | | 5.25+2y=5 | | F(x)=8x^3-6 | | 3(u-3)-7u=-1 | | Lg(x)=69-2*lg(10) | | x-7/4=-4 | | 24-y=-5x | | -35=7(w+3)+7w | | 5/3=x/5 | | 50=(n)4(n)5(n) | | x-0.2x=800 | | 8x^3-6y+y^6= | | 3/5=5/x | | -.062*x^2+1.4647*x+5.2405=9 | | 2x^4+x^3+2x=0 | | -.062*x^2+1.4647*x+5.2405=8 | | -.062*x^2+1.4647*x+5.2405=7 | | -.062*x^2+1.4647*x+5.2405=6 | | 4w^2-6w^3-5= | | (x-3)(x*x-2x+1)=0 | | -.062*x^2+1.4647*x+5.2405=5 | | 6x^2-280x+2400=0 | | (12m-11n)-(15m-18n)= | | 9/3(624/8) | | 12u-5u=49 | | 4/5=28/z | | 5(4x-10)=32+18x | | 3/8=12/t | | (2x-14)/(3x-21) |

Equations solver categories