3rd+4=7

Simple and best practice solution for 3rd+4=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 3rd+4=7 equation: 


Simplifying
3rd + 4 = 7

Reorder the terms:
4 + 3dr = 7

Solving
4 + 3dr = 7

Solving for variable 'd'.

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

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

Combine like terms: 4 + -4 = 0
0 + 3dr = 7 + -4
3dr = 7 + -4

Combine like terms: 7 + -4 = 3
3dr = 3

Divide each side by '3r'.
d = r-1

Simplifying
d = r-1

See similar equations:

| 5t+5=10 | | 96=-3(6x+3)-3x | | 7x(2x+5)-5x(2x+3)=(2x+4)^2 | | 0=2k | | 12(8x-5)=-15 | | 4-2(g-6)=-8 | | 0.20(6)-0.05x=0.10(6+x) | | 2z-14=2(6z-27) | | 2500+25x=10000 | | 7(13)+7=6(13)-6 | | X-46= | | -24x+-18=-24x-18 | | 9x^8-37x^4+4=0 | | 0.25Xx=36 | | 4(y+8)-7y=20 | | -5(3+p)=4(p+4)+5 | | -12(x-12)+63x=-9 | | 6(k-10)=24 | | 3w+24=-9(w+8) | | 10z-6=2z(6z-6) | | [40000+2500x][16-x]+[40000+2500x][4.00]= | | -4x+9-12x-5=68 | | [40000+5000x][16-x]+[40000+5000x][4.00]= | | 12(12k+1)+5=-127 | | 9(0)=5F-160 | | -16x^2=40x+25 | | 4n^2+8n-15=0 | | 10z-6=6z-6 | | 6x+5=3(2x+7) | | 4x^2+3x^2+25=180 | | 5+20x=6+20x | | 3x+10+5x+18=180 |

Equations solver categories