7a-2(a+1)=17

Simple and best practice solution for 7a-2(a+1)=17 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 7a-2(a+1)=17 equation:


Simplifying
7a + -2(a + 1) = 17

Reorder the terms:
7a + -2(1 + a) = 17
7a + (1 * -2 + a * -2) = 17
7a + (-2 + -2a) = 17

Reorder the terms:
-2 + 7a + -2a = 17

Combine like terms: 7a + -2a = 5a
-2 + 5a = 17

Solving
-2 + 5a = 17

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 5a = 17 + 2

Combine like terms: -2 + 2 = 0
0 + 5a = 17 + 2
5a = 17 + 2

Combine like terms: 17 + 2 = 19
5a = 19

Divide each side by '5'.
a = 3.8

Simplifying
a = 3.8

See similar equations:

| x+2*ln(ln(sinx))=ln(5) | | 5x+2=3-9 | | 0.75x-2=10 | | 1x-2=10 | | c-3+2a-7x+2.5+5x= | | -18x+5y=-77 | | 6x+7=-7x-123 | | -3x-18=8x+12 | | 2x+1=-x-11 | | 6x=-5y+10 | | 10x=3x-4 | | 21x^2-42x=0 | | .50x=30 | | -5(-5a-6)=-22-a | | 2c-c+12=-13 | | .90x=70 | | 3x+10=28+5x | | 100+35x=50+25x | | 2x^2-10=x^2-24 | | -7x+1=7x-153 | | 5h-9=16+h | | 6x+1+x=71 | | 3(9x+5)=66 | | X-24=x-12 | | 10-2v=0 | | -8(2t+4)=0 | | 5x+20+xy+4y=0 | | 3u-14=22 | | 15+8x=10x-7 | | X+x+4=10 | | -10(s+2)=-26 | | 7+x-6x=-3 |

Equations solver categories