3(20-x)=-15

Simple and best practice solution for 3(20-x)=-15 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(20-x)=-15 equation:


Simplifying
3(20 + -1x) = -15
(20 * 3 + -1x * 3) = -15
(60 + -3x) = -15

Solving
60 + -3x = -15

Solving for variable 'x'.

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

Add '-60' to each side of the equation.
60 + -60 + -3x = -15 + -60

Combine like terms: 60 + -60 = 0
0 + -3x = -15 + -60
-3x = -15 + -60

Combine like terms: -15 + -60 = -75
-3x = -75

Divide each side by '-3'.
x = 25

Simplifying
x = 25

See similar equations:

| Y=450+30x | | -32=2-h | | 10(m-1)=5(3m-4) | | 4+t=-7 | | 2x^3-16x^2+30x= | | 0.14y+0.06(y+2000)=1920 | | 6cm*8cm*w=208 | | 13=2x^2 | | 5k-2=3k+6 | | -0.10(42)+0.85x=0.05(x-20) | | X^2-2y=16 | | -4(k+1)-k-8=-5(k+5)+13 | | (x-4)+(x+4)=33 | | 21=3(w-3)+7w | | -a=-23 | | 8-4m=6+2m | | (x+4)+(x+4)=33 | | 10m-6=6 | | 160=-4b-6(-3b-8) | | 7+2x=13-3x | | 3x+5-4x=2x+7-x | | 18+4s-1=42 | | 3(3x-6)=12 | | 8y+7=5y-2 | | 5(5-4v)=v+21 | | 3+3x(5x-18)=108 | | x+x^2-8x+12=0 | | -3(z-1)+8(z-3)=6z+7-5x | | 29.50=c+15 | | 66=6(5-4f) | | 6y+14y=6y-4 | | 3b+9b+2b^2+b+5b^2= |

Equations solver categories