First you had to add by twelve from both sides of equation form.
Then simplify.
Next, add by four-f from both sides of equation form.
Simplify.
Then you divide by ten from both sides of equation form.
Finally simplify by equation.
Final answer: 
Hope this helps!
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-Charlie
Answer:
a) 2.5
b)2.33
Step-by-step explanation:
a)
Bring the numerals to the right hand side and the x terms to the left hand side
Simplify
Divide 3 on both sides, to get x
b)
Bring the numerals to the right hand side and the x terms to the left hand side
Simplify
45 + 32 + 37 = 114
114÷3 = 38
4 total quizzes,
for a 40 average on 4 quizzes she needs 40*4 = 160 total points
for 3 quizzes she has 45 +32 +37 = 114 points
160-114 = 46, she needs at least a 46 on the 4th quiz
Answer:
Step-by-step explanation:
2+8+3_5x1
