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marishachu [46]
2 years ago
5

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

Mathematics
2 answers:
shusha [124]2 years ago
4 0

Answer:

what?

Step-by-step explanation:

Montano1993 [528]2 years ago
4 0
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
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