How many solutions does the following equation have?−9(z+8)=−9z−72Choose 1 answer:(A) No solutions(B) Exactly one solution(C) Infinitely many solutions
Q. How many solutions does the following equation have?−9(z+8)=−9z−72Choose 1 answer:(A) No solutions(B) Exactly one solution(C) Infinitely many solutions
Distribute −9: Simplify the left side of the equation by distributing -9").\(\newline\$-9(z+8) = -9z - 72\)
Compare to right side: Compare the simplified equation to the right side.\(\newline\)\(-9z - 72 = -9z - 72\)
Subtract \(-9z\): Subtract \(-9z\) from both sides to see if the equation holds true for all \(z\).\(0 = 0\)
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