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3x-y= 18 4x=24-6y The first step is rearranging the equations to align lik
3x-y= 18 4x=24-6y The first step is rearranging the equations to align lik
游客
2024-01-12
47
管理
问题
3x-y= 18 4x=24-6y
选项
答案
The first step is rearranging the equations to align like terms:
3x-y=18
4x+6y=24
Multiply the top equation by 6 and add the equations:
[*]
Now choose one of the original equations, substitute 6 in for x, and solve for y:
3(6)-y=18
18-y=18
-y=0
y=0
解析
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