9a + 20 = 7a+ 4
a = ?
Help please!...
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Mathematics, 25.09.2021 04:20 vannitling12p4w44f
9a + 20 = 7a+ 4
a = ?
Help please!
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Answers: 2
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Mathematics, 21.06.2019 22:40, jeffyisdrunk
The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?
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