87.5k views
0 votes
0.74y=128
what is the value of y

User Alexpods
by
4.1k points

2 Answers

6 votes
y = 172.972972972...

You need to isolate the variable, y. To do this, you need to divide both sides of the equation by 0.74. This gives you your final answer.
User Dian
by
5.2k points
3 votes

Answer:

y = 172.973

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Explanation:

Step 1: Define equation

0.74y = 128

Step 2: Solve for y

  1. Divide both sides by 0.74: y = 172.973

Step 3: Check

Plug in y into the original equation to verify it is a solution.

  1. Substitute in y: 0.74(172.973) = 128
  2. Multiply: 128 = 128

Here we see that 128 does indeed equal 128.

∴ y = 172.973 is a solution of the equation.

User Melessia
by
4.3k points