The first one. y is equal to both equations so then you can set them equal to each other and solve for x if the questions requires it.
Answer:
64
Step-by-step explanation:
Given
4y + 8z ← substitute y = 8 and z = 4 into the expression
= 4(8) + 8(4)
= 32 + 32
= 64
Answer:
5x/1/2 = 1x
answer 1.12 <3
hope it helps
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Step-by-step explanation: