Evaluate the algebraic expression 2x + y - z when w = 12, x = 10, y = 5 and z = 9.
A. 8
B. 1...
Mathematics, 15.09.2021 14:50 destinyleisantos
Evaluate the algebraic expression 2x + y - z when w = 12, x = 10, y = 5 and z = 9.
A. 8
B. 16
C. 24
D. 34
Answers: 1
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?
Answers: 1
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