Day 31 – October 8

Algebra: Chapter 3-7, page 142.

Formulas

Formulas that use more than 1 letter are often called literal equation. Use the formula and solve for the desired variable by treating all other variables as if they are constants or coefficients. Constants are separated by `+` and `−` symbols whereas coefficients are like `2x`, the `2` is a coefficient.

Just solve these like any other equation using the strategies from yesterday

  1. Multiply both sides to clear fractions or decimals, if necessary.
  2. Collect like terms on each side, if necessary.
  3. Use the addition property to move the variable to one side and all other terms to the other side of the equation.
  4. Collect like terms again, if necessary.
  5. Use the multiplication property to solve for the variable.
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