Answer:
x = 14
Explanation:
4x + 1 + 9x -3 = 180
13x + 1 - 3 = 180
13x -2 = 180
13x = 180 + 2
13x = 182
x = 182 : 13
x = 14
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check
4 × 14 + 1 + 9 × 14 - 3 = 180 (remember PEMDAS)
56 + 1 + 126 - 3 = 180
180 = 180
the answer is good