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frosja888 [35]
3 years ago
12

If AC=18x-7,find the x. Round to the nearest hundredth if necessary AB=7x+29 BC=30​

Mathematics
1 answer:
Margaret [11]3 years ago
6 0

Answer:

x=6

Step-by-step explanation:

AC = AB + BC

18x-7=(7x+29)+30

18x-7=7x+29+30

18x-7=7x+59

Add 7 to both sides:

18x-7+7=7x+59+7

18x=7x+66

Subtract 7x from both sides:

11x=66

Divide both sides by 11:

\frac{11x}{11}=\frac{66}{11}

x=6

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