6-9w=24
subtract 6 from both sides
-9w=18
now divide -9 to both sides to live w alone
w= -2
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7w=122 122/7= 17.43 w=17.43
Since w = -2 and z = 4, the w can be replaced with -2 and the z replaced with 4:3wz = 3(-2)(4) = -24.
To solve for area: A=lw (Area equals length times width) The length and width are both 12. Substitute 12 for l and w. A=12x12 Multiply. A=144 The room has an area of 144 units. To solve for perimeter: P=2l+2w (Perimeter equals two time the length plus two times the width). Substitute 12 for l and w. P=(2x12)+(2x12) Simplify. P=24+24 P=48 The room has a perimeter of 48 units.
w=lh/v
1/w - 1 = - 8