<span>5x-6y=-15
5x+6y=12
---------------add
10x = -3
x = -3/10
x = -0.3
</span>5x+6y=12
5(-0.3) + 6y = 12
6y = 12 + 1.5
6y = 13.5
y = 13.5 / 6
y = 2.25
<span>Four gallons of paint cost $49.44. <span>Which equation can be used to find c, the cost per gallon?
c=$49.44/4
c= $12.36 per gallon</span></span>
Answer:
x= -4/9
Step-by-step explanation:
HOPE THIS HELPS!!!! :)
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I’m not sure if this is correct but here is a picture of what I think the answer might be. P.S my handwriting is not neat
7 times -6x, because “a number” can be replaced with x