Choose all the expressions that are equivalent to -2(7 + -3).
A. -2 (7) + 2 (3)
B. -2(-7) - 2...
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Mathematics, 19.05.2021 19:50 kay4451
Choose all the expressions that are equivalent to -2(7 + -3).
A. -2 (7) + 2 (3)
B. -2(-7) - 2(3)
C. -2(7) + 2(-3)
D. -2 (7) - 2(-3)
E. -2(7) +-2(-3)
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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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