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AnnZ [28]
3 years ago
8

7 (x + 3) - 3(4x + 9) = 14

Mathematics
2 answers:
Paul [167]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

vladimir1956 [14]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

Distribute the 7 and -3 inside the parentheses

7x + 3 - 12x -2 7

Combine like terms

-5x - 6 = 14

Isolate x by adding 6 to both sides

-5x = 20

Divide by -5

x = -4

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Melinda bought 6 bowls for $13.20. what was the unit rate in dollars
OlgaM077 [116]
To find the unit rate we will divide the amount of dollars ($13.20) by the amount of bowls (6). Then we will check our work. lets do it:-

13.20 ÷ 6 = 2.20
$2.20 per bowl

CHECK OUR WORK:-

2.20 × 6 = 13.20
we were RIGHT!!

So, the unit rate in dollars for, Melinda bought 6 bowls for $13.20  is, $2.20 per bowl.

Hope I helped ya!! xD
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