The equation (3/5)(30x - 15 )= 72 will be equal to the expression 18x - 9 = 72. The correct option is C.
What is an expression?
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
The given expression (3/5)(30x - 15 )= 72 will be calculated as:-
(3/5)(30x - 15 )= 72
Multiply the left-hand side of the equation by ( 1 / 5 ) and solve.
(3 )(6x - 3 )= 72
Multiply the left-hand side of the equation by (3 ) and solve.
18x - 9 = 72
Therefore, the equation (3/5)(30x - 15 )= 72 will be equal to the expression 18x - 9 = 72. The correct option is C.
The complete options are given below:-
A). 18x - 5 = 72
B) 50x - 25 = 72
C) 18x - 9 = 72
D) x = 4.5
To know more about expression follow
https://brainly.com/question/723406
#SPJ5
