Question

-4x + 3y = 29
5x + y = -3
solve by substitution

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

• y = 7

• x = -2

Explanation:

• -4x + 3y = 29 __ equation 1

• 5x + y = -3

make x the subject in equation 2,

5x + y = -3

y = -3 - 5x __ equation 2

using substitution method,

-4x + 3(-3 - 5x) = 29

-4x -9 -15x = 29

-19x = 38

x = -2

Find y,

y = -3 - 5x

y = -3 - 5(-2)

y = 7