What is the answer to solvefor w,A=2lw+2lh+2wh ?

The answer to solvefor w,A=2lw+2lh+2wh is w=(A-2lh)/(2(l+h));\quad l\ne-h

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solvefor w,A=2lw+2lh+2wh

solve for

w, A = 2 lw + 2 l h + 2 w h

w = \frac{A - 2 l h}{2 ( l + h )}; l \neq = - h

Solution steps

A = 2 lw + 2 l h + 2 w h

Switch sides

2 lw + 2 l h + 2 w h = A

Move

2 l h

to the right side

2 lw + 2 w h = A - 2 l h

Factor

2 lw + 2 w h : 2 w (l + h)

2 w (l + h) = A - 2 l h

Divide both sides by

2 (l + h); l \neq = - h

w = \frac{A - 2 l h}{2 ( l + h )}; l \neq = - h

6 x + 11 = 77

y, - 2 x + 3 y = 12

2 x + 9 = - 7

y, - 3 x + y = - 30

y, 3 x - 3 y = 9

What is the answer to solvefor w,A=2lw+2lh+2wh ?
The answer to solvefor w,A=2lw+2lh+2wh is w=(A-2lh)/(2(l+h));\quad l\ne-h