7(1-3y)+9=13-3(2y+4)

Simple and best practice solution for 7(1-3y)+9=13-3(2y+4) 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(1-3y)+9=13-3(2y+4) equation: 


Simplifying
7(1 + -3y) + 9 = 13 + -3(2y + 4)
(1 * 7 + -3y * 7) + 9 = 13 + -3(2y + 4)
(7 + -21y) + 9 = 13 + -3(2y + 4)

Reorder the terms:
7 + 9 + -21y = 13 + -3(2y + 4)

Combine like terms: 7 + 9 = 16
16 + -21y = 13 + -3(2y + 4)

Reorder the terms:
16 + -21y = 13 + -3(4 + 2y)
16 + -21y = 13 + (4 * -3 + 2y * -3)
16 + -21y = 13 + (-12 + -6y)

Combine like terms: 13 + -12 = 1
16 + -21y = 1 + -6y

Solving
16 + -21y = 1 + -6y

Solving for variable 'y'.

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

Add '6y' to each side of the equation.
16 + -21y + 6y = 1 + -6y + 6y

Combine like terms: -21y + 6y = -15y
16 + -15y = 1 + -6y + 6y

Combine like terms: -6y + 6y = 0
16 + -15y = 1 + 0
16 + -15y = 1

Add '-16' to each side of the equation.
16 + -16 + -15y = 1 + -16

Combine like terms: 16 + -16 = 0
0 + -15y = 1 + -16
-15y = 1 + -16

Combine like terms: 1 + -16 = -15
-15y = -15

Divide each side by '-15'.
y = 1

Simplifying
y = 1

See similar equations:

| 2/54=x/24 | | 3+6x=-2x+27 | | 7s^2+25s+12=(s+3) | | -1=10-11p | | X^2-2xy+3y^2=8 | | 2/24=x/54 | | 4/3÷7/6 | | 5c-6=19 | | 11-m=8 | | 3k+9(-2k+1)=5k+4 | | 11b+3=69 | | 4/3÷7/6= | | 5+2e^4x+3=15 | | 3(5-2x)=6(x+2)-5 | | 9x-9=7x+9 | | 3X/11=9X/10-69 | | 3/4x-1=2 | | 4+10s=24 | | 3x/6.28-3x/9.42=24 | | P+33p=16 | | -23=5-7z | | (S+36)(s+16)=0 | | Z=4(2z-1)+3(4z-5) | | 1.49-y/2=2 | | 5*(2x-1)=15 | | 8-6x=-34 | | -6v-v=-16.8 | | 9x(4x+5)= | | 6x-15=4x | | f(3c+12)= | | 6x-8x=9x-20 | | d+10d+25(25-2d)=157 |

Equations solver categories