1/2x+7=1/3x-7

Simple and best practice solution for 1/2x+7=1/3x-7 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 1/2x+7=1/3x-7 equation:



1/2x+7=1/3x-7
We move all terms to the left:
1/2x+7-(1/3x-7)=0
Domain of the equation: 2x!=0
x!=0/2
x!=0
x∈R
Domain of the equation: 3x-7)!=0
x∈R
We get rid of parentheses
1/2x-1/3x+7+7=0
We calculate fractions
3x/6x^2+(-2x)/6x^2+7+7=0
We add all the numbers together, and all the variables
3x/6x^2+(-2x)/6x^2+14=0
We multiply all the terms by the denominator
3x+(-2x)+14*6x^2=0
Wy multiply elements
84x^2+3x+(-2x)=0
We get rid of parentheses
84x^2+3x-2x=0
We add all the numbers together, and all the variables
84x^2+x=0
a = 84; b = 1; c = 0;
Δ = b2-4ac
Δ = 12-4·84·0
Δ = 1
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1}=1$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(1)-1}{2*84}=\frac{-2}{168} =-1/84 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(1)+1}{2*84}=\frac{0}{168} =0 $

See similar equations:

| 3w+6+3w-4=44 | | x-3/4+3=11 | | 61,6(1-x)/0,08(1+((61,52-61,6x)/0,08))=0 | | 3^81=x+2 | | 8y+60=124 | | 7x-1=9x+9 | | 5x+2/3=14 | | −12x+14=−34 | | F(x)=4x^2+4x+7 | | 0.3x-0.2=0.8 | | |4/12=8/b| | | 9x-20=2x+99 | | 43=8c- | | -2x-20)=10-1-(1+x) | | |6y+80=110 | | x​2​​−6x+5=0 | | F(a)=3a^2+8a+5 | | 7y+2=44 | | 4y-10+26=180 | | 4/12=8/b | | 7y+2=99 | | 17n+19n-(-5)=19 | | -9;8y=-72 | | -8(6b-3)-8=-320 | | 6y+80=110 | | 1000(8x-10)=50(634+100x) | | -7(4x+5)=-28x+35 | | 3a+(a-15)=225 | | 13c-12c-1=16 | | -7;6x=54 | | 5y+22=72 | | 136=-8(1-3x) |

Equations solver categories