KennedyFoster KennedyFoster

28-02-2014
Mathematics

contestada

What is the value of x if x + 4y = 7 and x - 4y = 8?

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motaalondrandra motaalondrandra

28-02-2014

x+4y=7
x-4y=8
2x=15
x=7.5

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iqbam17531659 iqbam17531659

05-02-2020

Answer:

x====4

Step-by-step explanation:

multiply and divide

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