-21=-3.5y

Simple and best practice solution for -21=-3.5y 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 -21=-3.5y equation:


Simplifying
-21 = -3.5y

Solving
-21 = -3.5y

Solving for variable 'y'.

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

Add '3.5y' to each side of the equation.
-21 + 3.5y = -3.5y + 3.5y

Combine like terms: -3.5y + 3.5y = 0.0
-21 + 3.5y = 0.0

Add '21' to each side of the equation.
-21 + 21 + 3.5y = 0.0 + 21

Combine like terms: -21 + 21 = 0
0 + 3.5y = 0.0 + 21
3.5y = 0.0 + 21

Combine like terms: 0.0 + 21 = 21
3.5y = 21

Divide each side by '3.5'.
y = 6

Simplifying
y = 6

See similar equations:

| 36a^3b^2-104a^2b^2-12ab^2= | | 5347+4968= | | 0=3x^2+4x+1-133 | | (6c-6d)(5c+5d)= | | 10x^4y^5+39x^3y^5-4x^2y^5= | | 3x-15=-27 | | 48a^2-94ab-4b^2= | | 36x^4-64x^2y+15y^2= | | 2x^2+16x+20=0 | | 24y^2-41xy-14x^2= | | 0=3x^2+4x+1-96 | | q^2-8q+15=0 | | 12x^2-47x-4= | | 8(x+3)-2x=4(x-8) | | -10x^3+5x^2+140x= | | 17m+30=-4 | | 16+16x+3x^2= | | 5-6x+x^2= | | 6m^6n+7m^5n^2+2m^4n^3= | | s^2+4=4s | | 12s^2+11st-5t^2= | | s+4=4s | | -5x+25=0 | | 5a^2-7ab-6b^2= | | px=-0.4x^2+80x-1600 | | 8x^2-2x=9 | | 15x^2y^2-7xy^2-4y^2= | | 15n^4-39n^3+18n^2= | | 950=n*16 | | t^2+13t+42= | | x/(8)+x/(4)=3 | | 8(x+y)= |

Equations solver categories