5x+15=3x+21

Simple and best practice solution for 5x+15=3x+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 5x+15=3x+21 equation:


Simplifying
5x + 15 = 3x + 21

Reorder the terms:
15 + 5x = 3x + 21

Reorder the terms:
15 + 5x = 21 + 3x

Solving
15 + 5x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
15 + 5x + -3x = 21 + 3x + -3x

Combine like terms: 5x + -3x = 2x
15 + 2x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
15 + 2x = 21 + 0
15 + 2x = 21

Add '-15' to each side of the equation.
15 + -15 + 2x = 21 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = 21 + -15
2x = 21 + -15

Combine like terms: 21 + -15 = 6
2x = 6

Divide each side by '2'.
x = 3

Simplifying
x = 3

See similar equations:

| x^2+13=114 | | -3y+5+6x=26 | | 8x+7=-57 | | 10/100,000 | | n-1/5=3 | | 100,000/10 | | -7+x=-7x-79 | | p=60+20n | | Z-1/8=9 | | -3x=5x+12 | | (x-7)*(11x+4)=0 | | 6x+6-2x=9x-4 | | 21=12-3a | | 4(3x+6)-2x=-2x+2(6x+12) | | X-155=200 | | 7-9/10 | | C-0.25c=0.75 | | 3(2+5)=3+4 | | 4b+6=-9b-7 | | x/62=-21 | | x=0.2(y+x) | | 5m-30=-20 | | N-3/5=-2 | | ((X/100)/(4-x/100))=12 | | 4x+12=-8x+24 | | C-0.25c=1.25c | | (60-2x)(60-2x)(x)=0 | | 3-4x=7x+14 | | 5(c+4)=-2(-4-m)+3 | | (2*10^-3)/(4*10^-1) | | 7/12=x/19 | | 9=n/8-6 |

Equations solver categories