Question

pls help me with my hw​

Answer 1

Answer:

1} 5x +3x = 180 => x = $\frac{180}{8} = \frac{45}{2} =22\frac{1}{2}$

2} 5x + 3x =180 => x= $\frac{180}{9} = 20$

3} 140 = 4x => x = $\frac{140}{4} = 35$