91.1k views
0 votes
4(3x-8)-4=24

12x-32-4=24
12x-36=24
12x=60
x=5
What method did she use and in what order did she usr them?

User Galbarm
by
5.5k points

2 Answers

2 votes
first she expanded the bracket
then she simplified
then she added 36 to both sides
she then divided 60 by 12 to find x
User Man Of One Way
by
5.9k points
4 votes

Order of operations,In mathematics and computer programming, the order of operations (or operator precedence) is a collection of rules that define which procedures to perform first in order to evaluate a given mathematical expression.P

Parentheses first

E

Exponents (ie Powers and Square Roots, etc.)

MD

Multiplication and Division (left-to-right)

AS

Addition and Subtraction (left-to-right)

Hope it helped ;3


User Zaheer Ansari
by
6.0k points