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ivanzaharov [21]
3 years ago
12

Solve step by step 3/2b+(b+45)+90+(2b-90)+b=540 What is the answer

Mathematics
1 answer:
nalin [4]3 years ago
8 0
\frac{3}{2} \times b + (b + 45) + 90 + (2 \times b - 90) + b = 540 \\ \frac{3 \times b}{2} + b + 45 + 90 + 2 \times b - 90 + b = 540 \\ \frac{3 \times b}{2} + 4 \times b + 45 = 540 \\ \frac{3 \times b}{2} + \frac{8 \times b}{2} = 540 - 45 \\ \frac{11 \times b}{2} = 495 \\ 11 \times b = 2 \times 495 \\ 11 \times b = 990 \\ b = \frac{990}{11} \\ b = 90
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