16(16-d)-4(16+d)=12 solve
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Answer:
d = 90
Step-by-step explanation:
16( 16 - d ) - 4 ( 16 + d ) = 12
256 - 16d - 64 - 4d = 12
256 - 64 - 16 d - 4d = 12
192 - 20d = 12
- 20d = 12 - 192
- 20d = - 180
d = - 180 / - 20
minus cancels the minus
d = 90
hope it helps
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