Answer: x=7
ab=21
bc=14
Step-by-step explanation:
ab=3x
bc=2x±7
ac=42
3x±2x±7=42
5x±7=42
5x=42-7
5x=35
to get the value of x you divide 35 by 5x
35÷5x=7
so the value of x is 7
ab=3x
x=7
3x=7×3x
7×3=21
x=7
2x=7×2x
2×7=14
Answer:

Step-by-step explanation:
(Given)
Answer:
100:59
Step-by-step explanation:
1 pound = 100pence
59 pence
100:59
Answer:
Your answer is
1st Question ::::: 15%
2nd Question :::: A----B(y=12*25%)
B----- 3$ increase
New price 15$
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