Seven times a number plus three times another number equals negative one. The sum of the two numbers is negative three. What are the two numbers?
Select one:
a. 2 and –5
b. –8 and 5
c. –2 and –1
d. –9 and 6

Question

Seven times a number plus three times another number equals negative one. The sum of the two numbers is negative three. What are the two numbers?
Select one:
a. 2 and –5
b. –8 and 5
c. –2 and –1
d. –9 and 6

anonymous · Answer

@FriedRice

anonymous · Answer

well its saying that 7 times a number plus three times another number = negative one
                                  7       *             x         +       3       *                          x         =  -#
7x + 3x = -#

anonymous · Answer

so do i have to add 7 to h sides

anonymous · Answer

and the sum of two numbers = -3
x + y = -3

anonymous · Answer

then use substitution or elimination method

anonymous · Answer

7x +3(-x - 3) = -1
7x - 3x - 9
4x - 9 = -1
4x = 8
x = 2

anonymous · Answer

well then the answer should be A because that the only only answer with a positive 2

anonymous · Answer

A