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Gnesinka [82]
3 years ago
13

Solve the equation. 3+ 4.5(2d – 3) = 7.5

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
6 0

Answer:

d=2

Step-by-step explanation:

Let's solve your equation step-by-step.

3+4.5(2d−3)=7.5

Step 1: Simplify both sides of the equation.

3+4.5(2d−3)=7.5

3+(4.5)(2d)+(4.5)(−3)=7.5(Distribute)

3+9d+−13.5=7.5

(9d)+(3+−13.5)=7.5(Combine Like Terms)

9d+−10.5=7.5

9d−10.5=7.5

Step 2: Add 10.5 to both sides.

9d−10.5+10.5=7.5+10.5

9d=18

Step 3: Divide both sides by 9.

9d

9

=

18

9

d=2

Answer:

d=2

marshall27 [118]3 years ago
5 0

Answer:

d=2

Step-by-step explanation:

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