1 year ago

Help me solve for x ?

Mathematics

2 answers:

Crazy boy [7]1 year ago

7 0

The answer would be x=12

Marianna [84]1 year ago

6 0

Answer:

x = 12

Step-by-step explanation:

$(4x - 5) \degree +(3x + 11) \degree = 90\degree \\(complementary \: \angle s) \\ \\ (4x - 5 + 3x + 11)\degree = 90\degree \\ \\ (7x + 6)\degree = 90\degree \\ \\ 7x + 6 = 90 \\ \\ 7x = 90 - 6 \\ 7x = 84 \\ \\ x = \frac{84}{7} \\ \\ x = 12$

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