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Aleksandr-060686 [28]
3 years ago
13

Solve the system of equations using elimination after modifying the coefficients.

Mathematics
1 answer:
zaharov [31]3 years ago
3 0

Answer:

l = 14 , w = 12

Step-by-step explanation:

2l + 2w = 52 → (1)

l - w = 2 → (2)

multiplying (2) by 2 and adding to (1) will eliminate the w- term

2l - 2w = 4 → (3)

add (1) and (3) term by term to eliminate w

4l + 0 = 56

4l = 56 ( divide both sides by 4 )

l = 14

substitute l  14 into either of the 2 equations and solve for w

substituting into (1)

2(14) + 2w = 52

28 + 2w = 52 ( subtract 28 from both sides )

2w = 24 ( divide both sides by 2 )

w = 12

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Second one :
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Hoped I helped!</span>
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