3x+4=8x-15

Simple and best practice solution for 3x+4=8x-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 3x+4=8x-15 equation:


Simplifying
3x + 4 = 8x + -15

Reorder the terms:
4 + 3x = 8x + -15

Reorder the terms:
4 + 3x = -15 + 8x

Solving
4 + 3x = -15 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
4 + 3x + -8x = -15 + 8x + -8x

Combine like terms: 3x + -8x = -5x
4 + -5x = -15 + 8x + -8x

Combine like terms: 8x + -8x = 0
4 + -5x = -15 + 0
4 + -5x = -15

Add '-4' to each side of the equation.
4 + -4 + -5x = -15 + -4

Combine like terms: 4 + -4 = 0
0 + -5x = -15 + -4
-5x = -15 + -4

Combine like terms: -15 + -4 = -19
-5x = -19

Divide each side by '-5'.
x = 3.8

Simplifying
x = 3.8

See similar equations:

| 1/3=n/4.2 | | 6x+107=2x+83 | | -5(-6x+7)=205 | | 29y-78=56-y | | 12x-2=7x+3 | | 7(-4+3x)=-217 | | 255x^2-85.915x+7.03545=0 | | 29y-78=y-56 | | -4(6-2x)=-8 | | 5/3=105/n | | 8x-5=3x-8 | | 4(5x+6)=-116 | | 7/6=56/n | | 3(4a+6)+2=28 | | -2x-4=-4x+8 | | 6k^2-12k= | | n/39=10/13 | | 2x-0=x+15 | | 6x-3=47+6 | | 2sinx=-1 | | 4x+3=66-5x | | 0.40x+0.40(90)=0.20(92) | | 2/n=5/7.5 | | 7x+114=3x+120 | | 7(3k+12)=3(-6-8k)-6k | | -x+7+6x=7 | | 4h+0.3=0.75 | | -5-3x+7x=-49 | | 4/n=8/3 | | -0.5u+0.6=0.165 | | -x+1-4x=-49 | | -21+4y=4y |

Equations solver categories