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avanturin [10]
4 years ago
14

7 x 18 + 5 x 7 simplified

Mathematics
2 answers:
lubasha [3.4K]4 years ago
4 0
161
7*18 + 5*7
126 + 35 =
161

slava [35]4 years ago
3 0
The number will equal becuase you combine with simple terms
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  h = 7

Step-by-step explanation:

Perhaps you want the solution to ...

  1/(h -5) +2/(h +5) = 16/(h^2 -25)

Parentheses are required around denominators that have math operations.

Multiply by (h^2-25) and solve the linear equation.

  \displaystyle\frac{1}{h-5}+\frac{2}{h+5}=\frac{16}{h^2-25}\qquad\text{given}\\\\(h+5)+2(h-5)=16\qquad\text{multiply by $h^2-25$}\\\\3h-5=16\qquad\text{simplify}\\\\3h=21\qquad\text{add 5}\\\\\boxed{h=7}\qquad\text{divide by 3}

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