-8y+21=-4y-18

Simple and best practice solution for -8y+21=-4y-18 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 -8y+21=-4y-18 equation:


Simplifying
-8y + 21 = -4y + -18

Reorder the terms:
21 + -8y = -4y + -18

Reorder the terms:
21 + -8y = -18 + -4y

Solving
21 + -8y = -18 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
21 + -8y + 4y = -18 + -4y + 4y

Combine like terms: -8y + 4y = -4y
21 + -4y = -18 + -4y + 4y

Combine like terms: -4y + 4y = 0
21 + -4y = -18 + 0
21 + -4y = -18

Add '-21' to each side of the equation.
21 + -21 + -4y = -18 + -21

Combine like terms: 21 + -21 = 0
0 + -4y = -18 + -21
-4y = -18 + -21

Combine like terms: -18 + -21 = -39
-4y = -39

Divide each side by '-4'.
y = 9.75

Simplifying
y = 9.75

See similar equations:

| 2x+7=3-10x | | -21w-4=72w-3 | | 2x+33=11x-48 | | 3x^2-51x+210=0 | | r=2k+2z | | 3x+2=x+8 | | 2(3x-1)=4(3x-5)+12 | | 9x+5=8x | | 24w-10=-15w-9 | | 7u-35+20u-12=196 | | -12w+40=-5w-5 | | sinx(cos^2)-sinx=-sin^3x | | X^6-3x^4+2x^2=0 | | 90-7x=11x+20 | | 10-10x=140-45x | | 15-2p=9 | | 43-6x=3x+18 | | 7-8x=123-36x | | 6x+6=-122-10x | | -45-9x=7x+19 | | 4x+12=-32-7x | | -1-5x=9-7x | | -8b=96 | | 6x-4=13x-32 | | x+5(x+2)=70 | | -24u+8=-3u-15 | | 2x+39=10x-49 | | 3(x+4)=2(x+1) | | x^2-11x-42=0 | | 5(2x-31)=10x-155 | | 89-3x=42x+24 | | -11+-12+-6= |

Equations solver categories