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2 years ago

∠A=5x−18. ∠B=3x+42∘ solve for x and then find the measure of ∠A

Mathematics

2 answers:

KatRina [158]2 years ago

6 0

Answer:

x = 30 ∠A = 132 degrees

Step-by-step explanation:

Set the equations equal to each other to solve for x

5x - 18 = 3x + 42

-3x - 3x Subtract 3x from both sides

2x - 18 = 42

+ 18 + 18 Add 18 to both sides

2x = 60 Divide both sides by 2

x = 30

Now plug this into the equation for angle A

∠A = 5(30) − 18 Multiply

∠A = 150 - 18 Subtract

∠A = 132 degrees

If this answer is correct, please make me Brainliest!

Kay [80]2 years ago

6 0

X=30 I solved it and did the math I got 30

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