I NEED HELL LIKE RIGHT NOW !!! Which equation represents the graph?
2 answers:
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The solution is x = 6
Step-by-step explanation:
Let us revise some rules of the exponents
- If
, then n = m
∵
∵ 9 = 3 × 3
∴ 9 = 3²
- Substitute 9 by 3² in the equation above
∴
- Use the second rule above for the left hand side
∵
∴
∴
- By using the first rule above
∴ 2x + 30 = 7x
- Subtract 2x from both sides
∴ 30 = 5x
- Divide both sides by 5
∴ 6 = x
The solution is x = 6
Learn more:
You can learn more about solving equations in brainly.com/question/7153188
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