d+7a-7=9

Simple and best practice solution for d+7a-7=9 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 d+7a-7=9 equation:


Simplifying
d + 7a + -7 = 9

Reorder the terms:
-7 + 7a + d = 9

Solving
-7 + 7a + d = 9

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7a + 7 + d = 9 + 7

Reorder the terms:
-7 + 7 + 7a + d = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 7a + d = 9 + 7
7a + d = 9 + 7

Combine like terms: 9 + 7 = 16
7a + d = 16

Add '-1d' to each side of the equation.
7a + d + -1d = 16 + -1d

Combine like terms: d + -1d = 0
7a + 0 = 16 + -1d
7a = 16 + -1d

Divide each side by '7'.
a = 2.285714286 + -0.1428571429d

Simplifying
a = 2.285714286 + -0.1428571429d

See similar equations:

| 5k^2-13k+6=0 | | 4x^2-20x-6=0 | | 2(x+5)=6-2x | | 15x^3(y+4)+15x^2(y+4)-10x(y+4)= | | -32x-4y+32=0fory | | y+24=y-12 | | -32x-4y+32=0 | | f(a)=4x^2+7x+5 | | 0=-16t^2-64t+5 | | -5x(-2)= | | 3(2x+1)+8=7-2(4x+1) | | Y=16t^2-64t+5 | | x=Ine^3 | | 15x+20y=0 | | 9x(9-y)=0 | | 11-4(x-5)=4(5-x)+12 | | x^3-12x^2+39x-21=0 | | 2x+3+x-7-4x= | | z+5-5z=1 | | x*3-3=0 | | 9-(1+8)(x)=1 | | 6x-8(x-3)=10 | | 2(4x+3)+1=3(x-1)+2 | | 10n=8-5 | | 234=x(x+5) | | 3x+14+4x=7 | | s*7+46=144 | | y=.1x^2 | | 11-4(3-2x)=5(3x+1)+1 | | 38-2=3y | | 2p-3=p-6 | | 7m-21=49 |

Equations solver categories