Answer:
x=4
Step-by-step explanation:
5x-7=13
5x=13+7
5x=20
x=20/5
x = 4
5x - 7 = 13
add 7 to both sides:
5x - 7 + 7 = 13 + 7
5x = 20
divide both sides by 5
x+12 x-15 x-8 x-30 x+15
You would need 18 3/4 quarts of sparkling water.
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