15-3(y-1)=78

Simple and best practice solution for 15-3(y-1)=78 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 15-3(y-1)=78 equation:


Simplifying
15 + -3(y + -1) = 78

Reorder the terms:
15 + -3(-1 + y) = 78
15 + (-1 * -3 + y * -3) = 78
15 + (3 + -3y) = 78

Combine like terms: 15 + 3 = 18
18 + -3y = 78

Solving
18 + -3y = 78

Solving for variable 'y'.

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

Add '-18' to each side of the equation.
18 + -18 + -3y = 78 + -18

Combine like terms: 18 + -18 = 0
0 + -3y = 78 + -18
-3y = 78 + -18

Combine like terms: 78 + -18 = 60
-3y = 60

Divide each side by '-3'.
y = -20

Simplifying
y = -20

See similar equations:

| 9a+(12+6a)= | | -1/3(3-9a)=3a+4 | | 10x-6=4+10 | | 8x-2=8x-5 | | 2x-3=4-x | | 6X-9=12-3x | | 4x-1=(8x-5)/2 | | 6x+3x=12+9 | | (5x-3)/4=2x-1 | | 9x-64=-1 | | X(x+2)=127 | | 10x+7=10-11x | | 5d-2d= | | 58-5x=4x+24 | | 2y-4/3y+2=-2/3 | | 1/3x+(8*13)+x=44 | | 2m/3+3m/4=17 | | 10p-(3p-4)=4(p+1)+9 | | 2x+1=5x+x | | 10d+21=7d | | (4x+6)-(x+6)=9 | | x^4+6x^3-24x^2-31x+36=0 | | 2x-x(x+5)=x(1-x)-6 | | 7.7x-2=6.7x-2 | | 3/5w+3=8/5w | | 0=8x^2+2x-9 | | 5(a-2)=3(a+2) | | 0=8x^2+2x-9-7x^2+5x-5 | | 4(2d-3)=6d+2 | | 0.12(12)+0.02x=0.06(6+x) | | 2(3d-5)=2d+7 | | =3(4z+5)+4 |

Equations solver categories