3x + y = -3
Substitute y = x + 5 in the ‘y’ spot in the 3x + 7 = -3 equation
3x + y = -3
3x + x + 5 = -3
combine liked terms
4x + 5 = -3
-5 on both sides
4x = -8
/4 on both sides
x = -2
Answer:
x = -2
Answer: 
Step-by-step explanation:
Given: The number of days Jonathan ran = 5
The most he ran in 1 day = 3.5 miles
Therefore, the maximum distance he ran in a week= 
Let x be the distance Jonathan could have rum in a week, such that

Hence, the required inequality is
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2
x
−
3
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(
x
2
−
x
−
2
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Factor
x
2
−
x
−
2
using the AC method.
Tap for fewer steps...
Factor
x
2
−
x
−
2
using the AC method.
Tap for more steps...
(
2
x
−
3
)
(
(
x
−
2
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x
+
1
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)
Remove unnecessary parentheses.
(
2
x
−
3
)
(
x
−
2
)
(
x
+
1
)
Answer:
h = -0.3d^2 + 1.2d + 1.5
Step-by-step explanation: