7(a-3)=5(a-2)

Simple and best practice solution for 7(a-3)=5(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)=5(a-2) equation:


Simplifying
7(a + -3) = 5(a + -2)

Reorder the terms:
7(-3 + a) = 5(a + -2)
(-3 * 7 + a * 7) = 5(a + -2)
(-21 + 7a) = 5(a + -2)

Reorder the terms:
-21 + 7a = 5(-2 + a)
-21 + 7a = (-2 * 5 + a * 5)
-21 + 7a = (-10 + 5a)

Solving
-21 + 7a = -10 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-21 + 7a + -5a = -10 + 5a + -5a

Combine like terms: 7a + -5a = 2a
-21 + 2a = -10 + 5a + -5a

Combine like terms: 5a + -5a = 0
-21 + 2a = -10 + 0
-21 + 2a = -10

Add '21' to each side of the equation.
-21 + 21 + 2a = -10 + 21

Combine like terms: -21 + 21 = 0
0 + 2a = -10 + 21
2a = -10 + 21

Combine like terms: -10 + 21 = 11
2a = 11

Divide each side by '2'.
a = 5.5

Simplifying
a = 5.5

See similar equations:

| x+5-7=-1 | | 7x-x=33-3 | | 10y^2-13y+4= | | 20-3(x+5)+2(x-1)=8 | | 10x+20+7-x=2x+-10+x | | log(5x+3)=1+log(x-6) | | 4/7-1/10 | | 4p^2+16p+15= | | 8=400/3 | | -12y-4=-136 | | X^2+4*x-690=0 | | ln(20)=ln(x+1)+ln(2) | | 7y+9=-12 | | 6t+11=4-7 | | X^2+4*x+690=0 | | 3x-7(4+2x)=x-2 | | 4x+15=3.5x | | 12y-2=-62 | | -8x-7x+6-5=-7x-8x+6 | | -12y-1=107 | | 8y+5=3y+20 | | -3y-11=-44 | | 7/15=v/20 | | 4x+15=4.5x | | -12y-12=-108 | | 2h^2-5=3 | | (3x-4y)dx+(2x-y)dy=0 | | 1-(100/10^2)=0 | | -1-10=-4 | | 2(r*r)-5r-12=0 | | 8x+5-x+7=9x+10-6 | | 2cosx+cos^2x=-1 |

Equations solver categories