1. 4y-9=15 2 6x+7=-5 3 -9t+2=56

asked Nov 25, 2021 68.1k views

3 votes

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3 votes

Answer:

1. y=6

2. x=-2

3. t=-6

Explanation:

$4y-9=15\\4y-9+9=15+9\\4y=24\\(4y)/(4)=(24)/(4)\\y=6$

$6x+7=-5\\6x+7-7=-5-7\\6x=-12\\(6x)/(6)=(-12)/(6)\\x=-2$

$-9t+2=56\\-9t+2-2=56-2\\-9t=54\\(-9t)/(-9)=(54)/(-9)\\t=-6$

Eric Sites answered Nov 30, 2021

5.9k points

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