2x+15=9
2x= -6
so the answer is -3
Answer:
x=147
Step-by-step explanation:
I did the math also hope this helps^w^
Answer:
Think it would be 7(c+2)=4
Answer:
See below.
Step-by-step explanation:
match the vocabulary word to its correct definition
1 additive identity
—the number 0 (for the numbers)
2 equation
—a mathematical sentence whose verb is ‘equal’ (=)
3 multiplicative identity
—the number 1 (for the real numbers
4 open sentence
—an equation that contains a variable or variables
5 symmetric property
—when the sides of an equation are interchanged, an equivalent equation is formed ; if a=b, then b=a
Answer:
6,c 7,a 8,d
Step-by-step explanation:
