Answer:
Step-by-step explanation:
He does not walk at all if he's swimming.
4x + 17 = 23
23-17=6
4x=6
6/4=1.5
X=1.5
Hope this helps
13 + 21 = 13- -21
The minus sign and negative cancel each other out.
Answer:
ok,i know
Step-by-step explanation:
there is no like terms
Answer:
y = 5.18
Step-by-step explanation:
replace x in the equation with 3.5
y = -0.72x + 7.7
y = -0.72(3.5) + 7.7
y = -2.52 + 7.7
y = 5.18