Answer:
x= 8
Step-by-step explanation:
(17x + 14)+(4x - 2) = 180
21x + 12 = 180 : add like terms
21x = 168 : subtract 12 from both sides
x = 8 : divide by 21 to get x alone
7,5
pattern: +3, then -2
4+3 = 7
7-2 = 5
x=7
0.525
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