Kevin gave ben $4.90 in dimes and quarters.if 10 coins were quarters how many coins were dimes which equation models this proble
1 answer:
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Answer:
yes
Step-by-step explanation:
Given the 2 equations
y = x + 6 → (1)
y = - x + 5 → (2)
Substitute y = x + 6 into (2)
x + 6 = -
x + 5 ( add
to both sides )
x + 6 = 5 ( subtract 6 from both sides )
x = - 1 ( divide both sides by
)
x = = -
← one solution