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8(2x+9)=56 i dont understand i did distributive property and i am stuck

User Linson
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4 votes
8×2x+8×9=56
16x+72=56 | -72
16x=-16 | ÷16
x=-1
User Alon Rolnik
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2 votes

8(2x+9)=56

Use Distributive Property:

16x + 72 = 56


Subtract 72 from each side:

16x = -16

Divide each side by 16:

x = -16 / 16

x = -1


User Yashar Panahi
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