Answer:
Step-by-step explanation:
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To avoid expansion, you can just use the power of a power rule and multiply the two exponents from the start.
(<em>x</em>^4)^3
= <em>x</em>^4×3
= <em>x</em>^12
5x+9−2x+13=67
3x+9+13=67
3x+22=67
3x=45
x=15
Mark brainliest!!
