If u meant to put, 5x multipled by 2^3x=21 the answer is x= 0.798
Answer:
yup 12
Step-by-step explanation:
Answer:
x=3 and y=1
Step-by-step explanation:
subtract equation 2 from 1
then (2x+3y) -(2x+y) =9-7
2x-2x+3y-y =2
2y=2 therefore y=1
substitute y value in 2x+y=7
2x+1=7
2x=7-1
2x=6
x=3
Answer:
B
Step-by-step explanation:
the slope is negative and the y intercept is -1
