3(4x+5)=42

Simple and best practice solution for 3(4x+5)=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(4x+5)=42 equation:


Simplifying
3(4x + 5) = 42

Reorder the terms:
3(5 + 4x) = 42
(5 * 3 + 4x * 3) = 42
(15 + 12x) = 42

Solving
15 + 12x = 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 + 12x = 42 + -15

Combine like terms: 15 + -15 = 0
0 + 12x = 42 + -15
12x = 42 + -15

Combine like terms: 42 + -15 = 27
12x = 27

Divide each side by '12'.
x = 2.25

Simplifying
x = 2.25

See similar equations:

| 3w+7x-13y+6w+6x+4y= | | 3(x-3)(x-3)+2=26 | | 5.30=2.80+0.05x | | -3.2x=-2.368 | | 5x+y+2=12 | | (2x)(15)=(x+3)(5) | | -104=-8(1+4v) | | h(t)=15t-4.9t^2+2 | | 4-4x=-4(x+1) | | 60=t+t^2 | | .5Q=30-.25Q | | 5(12+3p)=15p+60 | | 17=4-x | | (x^2D^2+7xD+I)y=0 | | 6b+1=-8+3b | | 2(z+3)+3(5-3z)=0 | | 8x^2+18x-40=0 | | y=1.9(0.2) | | 24+4=2x-8 | | 3*(x-2)+2=20 | | 2x+3(x+1)=27 | | -4(5a-3b)=0 | | 2x^2(4x)-9=207 | | 5(x^2+3x)=2 | | 11k+5=-k-7 | | 8x+5=8(x-4) | | (3x^2-2x+3)=0 | | 3r-3-1=14 | | 0.3(15-2y)-0.2y=0.5 | | -4(x-1)=4-4x | | 13a+14b+4c+6c-5b-3a= | | 6x+14x-3=5(4x+6) |

Equations solver categories