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Please please help me solve 4x+9y= 61 and 7x+6y=58 by substitution

Please please help me solve 4x+9y= 61 and 7x+6y=58 by substitution
asked 94.1k views
18 votes
Please please help me
solve 4x+9y= 61 and 7x+6y=58 by substitution

asked
User Rageit
by
8.6k points

2 Answers

5 votes
X=-9y+61/4.

Now substitute and solve
7(-9y+61/4)+6y=58

Combine like terms

-63/4y+427/4+6y=58
-63/4y+6y=-195/4
-39/4y=-195/4
-39y=-195
y=5 now input into other equation
4x+9*5=61
4x=16
x=4
answered
User Jtrumbull
by
8.9k points
11 votes

Answer:

what?

Explanation:

answered
User SaphuA
by
8.2k points
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