3 years ago

HELP ASAP solve the equation using the properties of equality.89= -5d+9

Mathematics

1 answer:

sergey [27]3 years ago

8 0

Answer:

d = -16

Step-by-step explanation:

Step 1: Write equation

89 = -5d + 9

Step 2: Solve for d

Subtract 9 on both sides: 80 = -5d

Divide both sides by -5: -16 = d

Step 3: Check

Plug in x to verify if it's a solution.

89 = -5(-16) + 9

89 = 80 + 9

89 = 89

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