-7(a-3)=-8(a-2)

Simple and best practice solution for -7(a-3)=-8(a-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 -7(a-3)=-8(a-2) equation:


Simplifying
-7(a + -3) = -8(a + -2)

Reorder the terms:
-7(-3 + a) = -8(a + -2)
(-3 * -7 + a * -7) = -8(a + -2)
(21 + -7a) = -8(a + -2)

Reorder the terms:
21 + -7a = -8(-2 + a)
21 + -7a = (-2 * -8 + a * -8)
21 + -7a = (16 + -8a)

Solving
21 + -7a = 16 + -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
21 + -7a + 8a = 16 + -8a + 8a

Combine like terms: -7a + 8a = 1a
21 + 1a = 16 + -8a + 8a

Combine like terms: -8a + 8a = 0
21 + 1a = 16 + 0
21 + 1a = 16

Add '-21' to each side of the equation.
21 + -21 + 1a = 16 + -21

Combine like terms: 21 + -21 = 0
0 + 1a = 16 + -21
1a = 16 + -21

Combine like terms: 16 + -21 = -5
1a = -5

Divide each side by '1'.
a = -5

Simplifying
a = -5

See similar equations:

| 4x+5x+4=4x-5 | | .4=x/y | | 2x+19+2=x+14 | | 6v^2-2v=20 | | (5x^2)+7x+2=0 | | 3d+8d=2d-17 | | (5k-5)(-4)= | | 5(2z+3)=9-2(z-3) | | 2+4(4+5v)=98 | | -8(x-3)=x-6(5x+3) | | -7x-33=3x-5 | | 10(x+5)-20x=5x-(2x+28) | | 1/2x-7=1 | | 3p-5/5+1/2=-19/2 | | 29x-12-13x=4(4x-4)+4 | | 7x^2=9-8x | | 3/2=-6 | | 5-13n=7 | | 0.006(6-k)+0.05(k-8)=1 | | 3-8n=10-8n+n | | 5(1+6a)=-31-6a | | 11k-28/21+4/3=0 | | -6(7b-1)=-6(6b-4) | | 42=(2.5*x)+x | | .70(20+x)=.30(2x-1) | | 2(x+2)-7=1 | | -5(-7r+1)=170 | | 19m-8-3m=15m-19 | | 8+5x=8(7x+1) | | x^2-8x+16=-4 | | 2(x-2)-7=1 | | 8p+40=4(1+5p) |

Equations solver categories