3(5-x)=42

Simple and best practice solution for 3(5-x)=42 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(5-x)=42 equation: 


Simplifying
3(5 + -1x) = 42
(5 * 3 + -1x * 3) = 42
(15 + -3x) = 42

Solving
15 + -3x = 42

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 = 42 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = 42 + -15
-3x = 42 + -15

Combine like terms: 42 + -15 = 27
-3x = 27

Divide each side by '-3'.
x = -9

Simplifying
x = -9

See similar equations:

| 2y+10=5/2y | | y=7/9.10-7 | | -128=-6k+8(5k+1) | | 4u^2+11u=-6 | | 2x^2(x-1)/x-3 | | 2x+1=100 | | r-10/3+1/2=-11/6 | | 1.00/12.00(900+d)=80 | | 16d-(4-5D)=-65 | | -6(-7+7x)=6x+5(-7x-2) | | X/6=x/4-1 | | x-2(4-7x)=22 | | (3x^3-8x^2-6x+10)-(9x^3+11x^2-9x-7)= | | 10(v+1)-4v=2(3v+2)-6 | | 4(n+6)+6=-18-4n | | 1.00/12.00(900+d)=87.50 | | -8(-7+3p)=248 | | 2.5(x-3)+17x=10.8(x+1.5) | | t=12,000+10,000t | | 3x/(x-6)(x+6)/4x/x+6 | | 5(e+2)=40 | | 1/12(900+d)=87.5 | | .35x-.2=.15x+.1 | | -x+3=-24+2x | | 7-9/(6/2) | | .5(10x-4)=13 | | 7n-4(5n-5)=111 | | 2(x+3)=4x+3 | | 0.5x-7=0.3x-1 | | x+9x-18x=-20+27x | | 6x+9=7x-3 | | z-8z=5z-3-z |

Equations solver categories