-7*(3-a)=8*(5-2a)

Simple and best practice solution for -7*(3-a)=8*(5-2a) 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*(3-a)=8*(5-2a) equation:


Simplifying
-7(3 + -1a) = 8(5 + -2a)
(3 * -7 + -1a * -7) = 8(5 + -2a)
(-21 + 7a) = 8(5 + -2a)
-21 + 7a = (5 * 8 + -2a * 8)
-21 + 7a = (40 + -16a)

Solving
-21 + 7a = 40 + -16a

Solving for variable 'a'.

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

Add '16a' to each side of the equation.
-21 + 7a + 16a = 40 + -16a + 16a

Combine like terms: 7a + 16a = 23a
-21 + 23a = 40 + -16a + 16a

Combine like terms: -16a + 16a = 0
-21 + 23a = 40 + 0
-21 + 23a = 40

Add '21' to each side of the equation.
-21 + 21 + 23a = 40 + 21

Combine like terms: -21 + 21 = 0
0 + 23a = 40 + 21
23a = 40 + 21

Combine like terms: 40 + 21 = 61
23a = 61

Divide each side by '23'.
a = 2.652173913

Simplifying
a = 2.652173913

See similar equations:

| 0=3x^2+4x-1 | | y+10x=e | | y=80+0.8y | | 2x*lnx+2=0 | | 2x-3y-3=0 | | 80+0.8y=200 | | (4x+3)(x+2)=(3x)(2x+2) | | v-2-5v=6 | | -1+-2=-25+8 | | 6*12=4*(6+3b) | | 2x^2-6x-15=0 | | 4x+17=8x+37 | | y^2-6x=0 | | (4-w)(4w-1)=0 | | 3y-10=2y-4 | | 8x+10=11x-23 | | -2+9y=-4 | | 26-5x=10-9x | | 7-(2+2r)=20 | | 6x+13=-32-3x | | -9/25=p/125 | | 11-2(4-x)=3x-1(5-2x) | | rsx^2+s^2x+rtx+sx=0 | | 5-2(x+2)=2 | | -12=p-35 | | 38.67=x/50.00 | | x=38.67*50.00 | | 15m^3n^2-3m^3n^2/3m^2n^2 | | 3ab(2ac+3bc)= | | -2h*2+40h=0 | | 8*(6b)=-7b | | -8w-12=-8-12 |

Equations solver categories