7d-7=8d+2

Simple and best practice solution for 7d-7=8d+2 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 7d-7=8d+2 equation:


Simplifying
7d + -7 = 8d + 2

Reorder the terms:
-7 + 7d = 8d + 2

Reorder the terms:
-7 + 7d = 2 + 8d

Solving
-7 + 7d = 2 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
-7 + 7d + -8d = 2 + 8d + -8d

Combine like terms: 7d + -8d = -1d
-7 + -1d = 2 + 8d + -8d

Combine like terms: 8d + -8d = 0
-7 + -1d = 2 + 0
-7 + -1d = 2

Add '7' to each side of the equation.
-7 + 7 + -1d = 2 + 7

Combine like terms: -7 + 7 = 0
0 + -1d = 2 + 7
-1d = 2 + 7

Combine like terms: 2 + 7 = 9
-1d = 9

Divide each side by '-1'.
d = -9

Simplifying
d = -9

See similar equations:

| 3c-15=5c+1 | | w/4-3/20=w/5 | | 2(3-x)=-(x+7) | | x+.19x=20.3 | | 3x+16=24-2x | | 2x^2-5y^2=n | | 4.5+2.25x=31.5 | | 7r-3+r=69 | | x^2+2x-3=-36 | | 2(3-x)=(x+7) | | 6+9-4=-3 | | d=5hours*65mph | | 1/4(12-8p)=4p-9 | | 27=8x/12 | | 2x+4=8-176 | | -4x+2(-3x-2)=59 | | 1/2z-7/8=1/3z-5/4 | | 1.2(b-7)=72 | | 5x-2(x-3)=-4+5x+2 | | 12m-4m-6m+4m-5=19 | | A/4-21= | | -5y+3x=20 | | 17+4x=5(x-9) | | 20k+7-5k+18=-5 | | x^2+25y^2-2x-24=0 | | X-3.4=-1.7 | | 5x^5-3x-40=0 | | 0=-3x+15-5y | | 4u+10=38 | | 0.857142857x-8=7 | | 198=-4x+6x+3 | | 2b+4=10+5b |

Equations solver categories