15(x-1)+4(x+3)=2(7+x)
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Answer: x = 1
Step-by-step explanation:
15(x-1)+4(x+3)=2(7+x)
⇒ 15x-15+4x+12 = 14+2x
⇒ 19x-3 = 14+2x
⇒ 19x-2x = 14 +3
⇒ 17x = 17
⇒ x = 17/17
∴ x = 1
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