3x+15=7-4x

Simple and best practice solution for 3x+15=7-4x 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+15=7-4x equation:


Simplifying
3x + 15 = 7 + -4x

Reorder the terms:
15 + 3x = 7 + -4x

Solving
15 + 3x = 7 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
15 + 3x + 4x = 7 + -4x + 4x

Combine like terms: 3x + 4x = 7x
15 + 7x = 7 + -4x + 4x

Combine like terms: -4x + 4x = 0
15 + 7x = 7 + 0
15 + 7x = 7

Add '-15' to each side of the equation.
15 + -15 + 7x = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 7x = 7 + -15
7x = 7 + -15

Combine like terms: 7 + -15 = -8
7x = -8

Divide each side by '7'.
x = -1.142857143

Simplifying
x = -1.142857143

See similar equations:

| -8+3v=7 | | 3x+15=7+4x | | X^2+12x+26=0 | | (x+9)(x-10)=6 | | 19.19+88x=252.31 | | x+58+x=608 | | -8-6k=6(1+3k) | | 608=58+x | | 7x+5=7x+3-4 | | 1+8r=8r | | -6(-3b-6)+7b=186 | | 4x-4+3x=0 | | 114=7n+6(3n-6) | | 100+25x=0 | | 16+3m=-5m+6m | | n-6=-n+4 | | -6x-5x=10-6x | | -6-5x=10-6x | | -6+-5=10 | | -9w+12=2(w-5) | | x^4-8x+7=0 | | 9(w-7)=3w-9 | | x^4+8x-7=0 | | 9x-95=6x-14 | | 5(2x-3)=10(x-2) | | 12-1.2(x-5)=22-2(x+4) | | 6x-4y=12 | | 159-7x=20x+21 | | 8x^2-120=0 | | -20x+y=28 | | 7x-13=11+5x | | 6-10x=51-45x |

Equations solver categories