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Anarel [89]
2 years ago
8

Help 50 pointsss pleasssse

Mathematics
2 answers:
Serggg [28]2 years ago
8 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Let's solve for e :

  • 9e - 7 = 7e - 11

  • 9e - 7e =  - 11 + 7

  • 2e =  - 4

  • e =  - 4 \div 2

  • e =  - 2

value of " e " = -2

Aloiza [94]2 years ago
8 0

\\ \sf\longmapsto 9e-7=7e-11

\\ \sf\longmapsto 9e-7e=-11+7

\\ \sf\longmapsto 2e=-4

\\ \sf\longmapsto e=\dfrac{-4}{2}

\\ \sf\longmapsto e=-2

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<u>Answer:</u>

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Step-by-step explanation:

First, write an equation to represent the total cost to wash cars:

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Then, write another for trucks:

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If the question is saying that they will wash at least 26 cars and 15 trucks, that means they could wash more. This means that we'll need an inequality:

This inequality represents that the total number of cars and trucks they wash will be at least—which means that it is equal to or greater than—than the amount given:

x + y ≥ 26 + 15

Any equation or inequality with two unknowns is not solvable, meaning we need a system of equations:

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x + y ≥ 26 + 15

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