3(4y+7)=-21(y-1)-231

Simple and best practice solution for 3(4y+7)=-21(y-1)-231 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 3(4y+7)=-21(y-1)-231 equation:


Simplifying
3(4y + 7) = -21(y + -1) + -231

Reorder the terms:
3(7 + 4y) = -21(y + -1) + -231
(7 * 3 + 4y * 3) = -21(y + -1) + -231
(21 + 12y) = -21(y + -1) + -231

Reorder the terms:
21 + 12y = -21(-1 + y) + -231
21 + 12y = (-1 * -21 + y * -21) + -231
21 + 12y = (21 + -21y) + -231

Reorder the terms:
21 + 12y = 21 + -231 + -21y

Combine like terms: 21 + -231 = -210
21 + 12y = -210 + -21y

Solving
21 + 12y = -210 + -21y

Solving for variable 'y'.

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

Add '21y' to each side of the equation.
21 + 12y + 21y = -210 + -21y + 21y

Combine like terms: 12y + 21y = 33y
21 + 33y = -210 + -21y + 21y

Combine like terms: -21y + 21y = 0
21 + 33y = -210 + 0
21 + 33y = -210

Add '-21' to each side of the equation.
21 + -21 + 33y = -210 + -21

Combine like terms: 21 + -21 = 0
0 + 33y = -210 + -21
33y = -210 + -21

Combine like terms: -210 + -21 = -231
33y = -231

Divide each side by '33'.
y = -7

Simplifying
y = -7

See similar equations:

| 3y^2+7y+2= | | 6x^2-11x-2= | | 6-4(3x-1)=-50 | | 0.25x+0.80(1-x)=0.30*1 | | 5y-5+y+29=8y+30-4y | | -3x+4y=-2 | | 3(y-6)+5(y+3)=37 | | 3(y-4)+2(y+2)=22 | | -7x-13x=-120 | | 6y^2+11y+y= | | 8x-4=5x | | -5(3x+1)+4x=50 | | -5(3x+1)-4x=50 | | 3y^2-10y+7= | | 9(x-3)=-6(x+2)+40 | | 6y^2+11y=y | | ln(3x+8)+ln(2)=2lnx | | 9x=-189 | | 3(4z-1)-5(z+1)=5(z+1) | | -20+7+x=-7+16 | | 3y-4x-1=0 | | 4x-3x-3=6 | | 25m+80n=30 | | (2w+5)(w+4)=0 | | -6x-13x=-95 | | 40=-8(3y+4) | | 7y^2-9y+2= | | 7x+12-9x=15-15x+13x-3 | | 3(4x-1)=25 | | 13x+7-3x=4x-10 | | 95x+0=70x+70*450 | | m^2+5m+6= |

Equations solver categories