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evablogger [386]
3 years ago
5

Write and solve an equation to find the value of X

Mathematics
2 answers:
Mumz [18]3 years ago
8 0
Angles on a straight line add up to 180 degrees so

45 + 3x = 180
Subtract 45 from both sides to remove the 45 on the left

3x = 135
Then divide both sides by 3
x = 45

Answer is X = 45
denpristay [2]3 years ago
6 0

Answer:

45 + 3x = 180

x = 45

Step-by-step explanation:

45 + 3x = 180

3x = 180 - 45

3x = 135

x = 135/3

so, x = 45

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