Answer:
x=2.421052631578947 or 2.4
Step-by-step explanation:
45x+12x= 57x
12+16+14= 42
180-42= 138
57x=138
138/57x=2.421052631578947
X = 2.42 or 46/19
Combine like terms: 57x + 42 = 180
Subtract 42 from both sides of equal sign
57x = 138
Divide by 57 on both sides
getting 46/19
