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3 years ago

Evaluate the expressions. SHOW ALL WORK :)

Mathematics

1 answer:

kherson [118]3 years ago

7 0

Answer:

A. 2

B. 84

C. 18

Step-by-step explanation:

A. y ÷ 2 + x = 2 ÷ 2 + 1

= 1 + 1

= 2

B. z(x +y) = 6(6 + 8)

= 6(14)

= 84

C. 6q + m - m = 6(3) + 3 - 3

= 18 + 3 - 3

= 21 -3

= 18

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Answer is given below with explanations.,

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$1)formula \: for \: linear \: equation \: is \: \\ ax + by + c = 0 \\ 2) \: solution \: of \: the \: equation \: y = 9x - 3 \\ (2,15) \: is \: the \: solution \: \\ on \: substitutuing \: the \: points \\ 15 = 9(2) - 3 \\ 15 = 18 - 3 \\ 15 = 15 \\ hence \: proved\\ 3) \: given \:( k,7) \: is \: a \: solution\\ \: of \: y = - 4x + 1 \\ on \: substitutuing \: the \: points \\ 7 = - 4k + 1 \\ 4k = - 7 + 1 \\ 4k = - 6 \\ k = \frac{ - 6}{4} \\ k = \frac{ - 2}{3}$

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