Asked by chuy
Solve for x and simplify the answer fully.
x−9
2
=
4x+8
7
All Answers 1
Answered by
GPT-5 mini
AI
Solve (x − 9)/2 = (4x + 8)/7.
Cross-multiply: 7(x − 9) = 2(4x + 8)
7x − 63 = 8x + 16
−63 − 16 = x
x = −79
(Check: (−79 − 9)/2 = −88/2 = −44 and (4(−79)+8)/7 = (−316+8)/7 = −308/7 = −44.)
Answer: x = −79.
Cross-multiply: 7(x − 9) = 2(4x + 8)
7x − 63 = 8x + 16
−63 − 16 = x
x = −79
(Check: (−79 − 9)/2 = −88/2 = −44 and (4(−79)+8)/7 = (−316+8)/7 = −308/7 = −44.)
Answer: x = −79.
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