x+3(2)=21

Simple and best practice solution for x+3(2)=21 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+3(2)=21 equation: 


Simplifying
x + 3(2) = 21

Multiply 3 * 2
x + 6 = 21

Reorder the terms:
6 + x = 21

Solving
6 + x = 21

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + x = 21 + -6

Combine like terms: 6 + -6 = 0
0 + x = 21 + -6
x = 21 + -6

Combine like terms: 21 + -6 = 15
x = 15

Simplifying
x = 15

See similar equations:

| y+3(2)=21 | | 2x-1/3x-2=2/3-x | | 8/11=v/6 | | x+8x-28=100 | | 5x^2-30xy+6xy-36y^2= | | 2(5(3(x-1)-4)-2)=16 | | 7=-2n/3 | | x^3-9x^2+5x-45= | | 4(2(3x-4)-3)-4=0 | | y+4=.833(x-4) | | 8y+10x=48 | | 11y-6-5y+10= | | 2/3(4a-15)-1/9(6a-2) | | 2(2x+1)+3(2x-3)=2x+59 | | x^2+15x-416=0 | | ln(x)+ln(x+3)=In(20-5x) | | 6x-3(-462/75)=-10 | | 7x+4=36x+3 | | (2-3x)(2x+5)-(4-x)(5x+1)-(3-x)(x+2)=0 | | x^3-7x^2+7x-49= | | 4(X-7)=3x+7 | | 1000000=700*1000+1200x | | 6/11x4/11 | | 2(2x+3)=x+6 | | 4x-(2000/x^2) | | 4(X-7)=3x-7 | | -2(4s-4)-8=-3(8s+1)-5 | | log(9*x+6)=2 | | 75y=-462 | | y-6=5(x+6) | | (V^3/-3u^2)^4 | | 6/11x2/27 |

Equations solver categories