0
−4a + 139 = 4a + 123 → −8a = −16 → a = 2
4a + 123 → 4(2) + 123 = 8 + 123 = 131°
What else can I help you with?
Continue Learning about Math & Arithmetic
Related Questions
Trending Questions
Which of these numbers is equal to 1out of 5 of 0.02 percent?
What is the next number in this progression 38978567796588?
Why PI is considered to be Irrational?
What is the LCM of 16 and 18 and 24?
50.8 cm equals how many meters?
Which number is equivalent to 1.5?
How many square feet in a inch?
What times Y?
What is the fraction of 43 over 2?
Where does the word scissors come from?
What were the four classifications that the major goals of the progressives were divided into?
What fraction of 40 is 15?
What is the value for x in the following systems of equations x-y equals 5 2x plus y equals 7?
What is 12345678910 1234567890?
What are the symbols use in a base five numeral system?
What is a list of errata?
Describe an algorithm you can use to multiply any two decimal numbers?
What is the area of a triangle with a base of 7 inches and the height of 9 units?
What is the area of a 26 inch circle?
90 equals d r a?
Copyright ©2026 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.