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How do I solve for A??

How do I solve for A??-example-1
User MrTristan
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2 Answers

2 votes
51+70+x+x+79=180
200+2x=180
-200-200
2x=-20
x=-10
User William Ross
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4 votes
51 + 70 + x +x + 79 = 180
200 + 2x = 180
-200 -200
2x = -20
x = -10
User Christopher Werby
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8.0k points