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Sagot :
Answer:
d=-18
Step-by-step explanation:
3(d + 5) - 7 = 2(d -5)
Distribute the number outside the brackets, inside them
3d+15-7=2d-10
3d+8=2d-10
solve for d with isolating it
3d= -8+2d-10
3d-2d= -8-10
d=-18
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