-3(x-7)=21

Simple and best practice solution for -3(x-7)=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 -3(x-7)=21 equation: 


Simplifying
-3(x + -7) = 21

Reorder the terms:
-3(-7 + x) = 21
(-7 * -3 + x * -3) = 21
(21 + -3x) = 21

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

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

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

Solving
-3x = 0

Solving for variable 'x'.

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

Divide each side by '-3'.
x = 0

Simplifying
x = 0

See similar equations:

| 1.5(-20)+23=7 | | -3(m-4)=-8-2(m-6) | | 3(2x-3)=4(x-1) | | 5x+x+9-(-9)= | | 3x+29+6x-29=90 | | 7(-2b+8)=126 | | 5(x-3)+2=4(x+7)-2x | | f(x)=31x^2-17whenf+6 | | X+(x+2x)=38 | | 8x=5(y+4) | | 2m^3-6m^2+50m= | | 4X+3Y-12=180 | | 3x+4=x-11 | | (3-u)(4u-9)=0 | | h(x)=x^3-5x^2-7x+4 | | x*0.25=800 | | 9/10(x+1)-9/20= | | 6x+7y+8z+9= | | 11(6x-10)=110x | | 3x+4=-(x-11) | | 32=2n+3n+5n | | 90+(b+45)+b+1.5b+(2b-90)=540 | | 7n-2n=5r | | (2k+3)=7 | | 9(x-2)2+27=171 | | -5(6y-3)-y=-3(y-3) | | -300x=0 | | -14=0.4x(9-26) | | -29x-60=22 | | -b+cx=a | | 4(x-5)=3x+8 | | -(1+7x)=6(-7-X) |

Equations solver categories