3x-15=-21

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


Simplifying
3x + -15 = -21

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

Solving
-15 + 3x = -21

Solving for variable 'x'.

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

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

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

Combine like terms: -21 + 15 = -6
3x = -6

Divide each side by '3'.
x = -2

Simplifying
x = -2

See similar equations:

| -4(2-x)=24 | | 7a+1+4a+9= | | -5.10+10y=-50 | | 3.7(-83-3)=3.7(-30) | | 4x+(x-2)=5x-20 | | -10x+10y=-50 | | 6a^2b^7/25x^3y/12a^3b^4/5x^2y^2 | | 3375-(-8)= | | 3lnx+7=22 | | 5(v+6)=-8v+43 | | 2y^2+x+40y+208=0 | | 3ln+7=22 | | 4x^2+y=21 | | -5(-5)+10y=-50 | | 3y+x=19 | | 2*z=2 | | (x-5)2=28 | | 5*0.83= | | 25-48/6+12*2 | | v^2+4v+6=0 | | 2x^2-11x-4=0 | | 2x^2-11x=4 | | 6ax^2+4ax+10a=2a | | sin(5x)-cos(2x)+sin(x)=0 | | -6(6d+6)= | | 3y-88=0 | | 3(4)+2y=16 | | X^2+4=x+10 | | r=3.14x | | 11X+63=2X^2 | | rx=3.14 | | 2x-10=3x+13 |

Equations solver categories