7x - 1 + 6x - 1 = 180
13x - 2 = 180
13x = 182
x = 14
Answer:
Step-by-step explanation:
90 × 3=270 dollars
6×3= 18 lawns
Answer:
69
Step-by-step explanation:
so x2 will give you 9 times 7 which is 63. add it to 2 times 3 which is 63 + 6 will give you 69.