9 is m=7
1. 8(m+3)=5(m+9)
2. 8m+24=5m+45
3. get variable on side by its self
3m=21
m=7
Answer:
Seven hundred, ten thousand two hundred
Step-by-step explanation:
She read 5.5 books per month x
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Form an equation:
x + 15 + 7 + x = 14
Simplify :
2x + 22 = 14
Subtract 22 from both sides:
2x = -8
Divide both sides by 2:
x = -4
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