-4u-21=-7(u+6)

Simple and best practice solution for -4u-21=-7(u+6) 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 -4u-21=-7(u+6) equation:


Simplifying
-4u + -21 = -7(u + 6)

Reorder the terms:
-21 + -4u = -7(u + 6)

Reorder the terms:
-21 + -4u = -7(6 + u)
-21 + -4u = (6 * -7 + u * -7)
-21 + -4u = (-42 + -7u)

Solving
-21 + -4u = -42 + -7u

Solving for variable 'u'.

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

Add '7u' to each side of the equation.
-21 + -4u + 7u = -42 + -7u + 7u

Combine like terms: -4u + 7u = 3u
-21 + 3u = -42 + -7u + 7u

Combine like terms: -7u + 7u = 0
-21 + 3u = -42 + 0
-21 + 3u = -42

Add '21' to each side of the equation.
-21 + 21 + 3u = -42 + 21

Combine like terms: -21 + 21 = 0
0 + 3u = -42 + 21
3u = -42 + 21

Combine like terms: -42 + 21 = -21
3u = -21

Divide each side by '3'.
u = -7

Simplifying
u = -7

See similar equations:

| 5(2x-1)-4x=11 | | 4x+8-2x=39+1 | | (71x+62y)-(3x+32y)= | | 6(6a-3)=5(7a+1) | | 0.5(6)-4y=1 | | 3(2x+1)5=6(x+1) | | x*(x+6)=84 | | 3(X+40)-4=2(X+4)+X | | 5x+5+5=14-2x | | 0.5(4)-4y=1 | | (50x+65y)-(10x-11y)= | | x-0.60x=60 | | x-0.25x=30 | | 8(x-3)+x+3=51 | | 0.5(2)-4y=1 | | x^3-6x^2-15x=-9 | | 35+5x=7-3x | | 8(x-3)+x-3=51 | | y=3x+-5slope | | 8-52=-37 | | 8(x-3)+(x-3)=51 | | 5y-2(4)=-3 | | 2(x+(2*-1+-3x*-1))=13x+4 | | 2y+(7)5=4 | | -18+41x=57 | | 19x-2=12x-37 | | 11=U-6 | | i=w+6 | | 5y-2(0)=-3 | | -4(3x-3)=36-4x | | 55x+5y=-35 | | 8+7(2v-4)=-7v+1 |

Equations solver categories