2(3a-9)=10(a-1)

Simple and best practice solution for 2(3a-9)=10(a-1) 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 2(3a-9)=10(a-1) equation:


Simplifying
2(3a + -9) = 10(a + -1)

Reorder the terms:
2(-9 + 3a) = 10(a + -1)
(-9 * 2 + 3a * 2) = 10(a + -1)
(-18 + 6a) = 10(a + -1)

Reorder the terms:
-18 + 6a = 10(-1 + a)
-18 + 6a = (-1 * 10 + a * 10)
-18 + 6a = (-10 + 10a)

Solving
-18 + 6a = -10 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
-18 + 6a + -10a = -10 + 10a + -10a

Combine like terms: 6a + -10a = -4a
-18 + -4a = -10 + 10a + -10a

Combine like terms: 10a + -10a = 0
-18 + -4a = -10 + 0
-18 + -4a = -10

Add '18' to each side of the equation.
-18 + 18 + -4a = -10 + 18

Combine like terms: -18 + 18 = 0
0 + -4a = -10 + 18
-4a = -10 + 18

Combine like terms: -10 + 18 = 8
-4a = 8

Divide each side by '-4'.
a = -2

Simplifying
a = -2

See similar equations:

| 4w+4=40 | | 0.875x+x=1788889 | | 2b^2-20b+48=0 | | 5+5=6 | | ((g)(6)+3)+19=40 | | 3x+5=7x+3 | | 5x^3-25x^2+30x=0 | | -18+7a=2a+7 | | 5x+11=88-6x | | 4x+38=11x-39 | | x^2+z=103 | | p-2=-9 | | 5x+4=-3x-4 | | 6s(7s-6)= | | 3b+24=8 | | 5x+3x+18= | | -2k-6=6k+10 | | s(s+2)= | | 5y-5=2y+10 | | 17+3l+l=125 | | (x+5)(2x-3)= | | x+x+1=131 | | y=7x-33x+20 | | (c+25)(c+64)= | | 17+22+d=62 | | 9x^2+6x+37=0 | | 4r^2-15r+9=0 | | (x-3)/4+(x-2)=3 | | 4x^4-3x^2+x+2=0 | | 4x^4-3x^2+x=2 | | 8y=6 | | 0.1t+0.05(20-t)=0.09(20) |

Equations solver categories