How do you solve for 2w in #P=21+2w#? Algebra Linear Equations Formulas for Problem Solving 1 Answer Don't Memorise Apr 28, 2016 #color(blue)(2w) =P -21 # Explanation: #P = 21 + color(blue)(2w# Isolating #color(blue)(2w:# #21 + color(blue)(2w) =P # #color(blue)(2w) =P -21 # Answer link Related questions How do you know which formulas to use when solving a word problem? How do you solve word problems involving formulas? What are commonly used formulas used in problem solving? What is the total area available for data storage in square cm if the data is stored between a... How do you determine the amount of liquid a paper cone can hold with a 1.5-inch diameter and a... What is the perimeter of the rectangle if the area of a rectangle is given by the formula ... How do you find the value of y that makes (3,y) a solution to the equation #3x-y=4#? How do you solve for z in #a = x+y+z/3#? How do you solve for C: #F=9/5C + 32#? How do you solve #f=(27.2*m)/t# for m? See all questions in Formulas for Problem Solving Impact of this question 2635 views around the world You can reuse this answer Creative Commons License