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Subjects>Math>Math & Arithmetic

X plus y equals 12 x - y equals 4?

Anonymous

∙ 15y ago

Updated: 12/14/2022

Solve this simultaneous equation by the elimination method:

x+y = 12

x-y = 4

Add both equations together:

2x = 16

Divide both sides by 2 to find the value of x:

x = 8

Substitute the value of x into the original equations to find the value of y:

Therefore: x = 8 and y = 4

Wiki User

∙ 15y ago

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