word problem setup

The length is 4 more than twice the width. If w = width then length is

The width of a rectangle with perimeter 50 is 4 less than the length, l. Which equation is set up correctly to solve this?

a collection of coins has dimes and quarters. There are 43 coins. If x = number of dimes, what expressions represents the number of quarters?

Mathematical Equivalence

ON

if $250 is invested part at 4% and the rest at 7% which represents the correct set up if the total interest earned is $14.50

The sum of the angles in any triangle is ___ degrees

Mathematical Equivalence

ON

write the expression for 7 less than a number

write the expression for 7 more than a number

seven more than 3 times a number

3 times the sum of a number and seven

Reorder the following steps to solve an equation

• move variable terms to one side

• move constants to the other side

• remove parentheses and combine like terms

• clear fractions

• divide and check