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Solve the Equation
90=4(5y+7)-18

1 Answer

4 votes

Final answer:

To solve the given equation, distribute the 4, combine like terms, move the constant term, simplify, and isolate the variable y to find that y = 4.

Step-by-step explanation:

To solve the equation 90=4(5y+7)-18, we will follow these steps:

  1. Simplify the equation by distributing the 4 to the terms inside the parentheses: 90 = 20y + 28 - 18
  2. Combine like terms: 90 = 20y + 10
  3. Move the constant term to the other side of the equation by subtracting 10 from both sides: 90 - 10 = 20y
  4. Further simplify: 80 = 20y
  5. Divide both sides of the equation by 20 to isolate the variable y: 4 = y

Therefore, the solution to the equation is y = 4.

User Aaron Digulla
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