7/2 − 2x = 11/2
Mathematics, 27.07.2020 05:01 heggestade
PLEASE HELP INSTANTLY
Kira solved the equation in the following way.
7/2 − 2x = 11/2
7/2 − 7/2 − 2x = 11/2 − 7/2
−2x ÷ −2 = 4/2 ÷ − 2
x = −1 Describe the properties of equality that Kira used. The first step is to use the property of equality to combine the constant terms. The second step is to use the ___ property of equality to isolate the variable.
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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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PLEASE HELP INSTANTLY
Kira solved the equation in the following way.
7/2 − 2x = 11/2
7/2 − 2x = 11/2
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