* $$ { }_{(50)}^{11 .} 0.002 x+0.03=0.92 $$ * 13. $$ 2(x+3)=16 $$ (50) 15. $$ \frac{x}{4}=1.25 $$

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Solve the equation $$ 0.002x+0.03=0.92 $$.
Solve the equation by following steps:
- step0: Solve for $$x$$:
  $$0.002x+0.03=0.92$$
- step1: Move the constant to the right side:
  $$0.002x=0.92-0.03$$
- step2: Subtract the numbers:
  $$0.002x=0.89$$
- step3: Divide both sides:
  $$\frac{0.002x}{0.002}=\frac{0.89}{0.002}$$
- step4: Divide the numbers:
  $$x=445$$
Solve the equation $$ 2(x+3)=16 $$.
Solve the equation by following steps:
- step0: Solve for $$x$$:
  $$2\left(x+3ight)=16$$
- step1: Divide both sides:
  $$\frac{2\left(x+3ight)}{2}=\frac{16}{2}$$
- step2: Divide the numbers:
  $$x+3=8$$
- step3: Move the constant to the right side:
  $$x=8-3$$
- step4: Subtract the numbers:
  $$x=5$$
Solve the equation $$ \frac{x}{4}=1.25 $$.
Solve the equation by following steps:
- step0: Solve for $$x$$:
  $$\frac{x}{4}=1.25$$
- step1: Convert the expressions:
  $$\frac{x}{4}=\frac{5}{4}$$
- step2: Multiply both sides of the equation by $$4:$$
  $$\frac{x}{4}	imes 4=\frac{5}{4}	imes 4$$
- step3: Multiply the terms:
  $$x=5$$
The solutions to the given equations are:
1. $$ 0.002x+0.03=0.92 $$ gives $$ x=445 $$.
2. $$ 2(x+3)=16 $$ gives $$ x=5 $$.
3. $$ \frac{x}{4}=1.25 $$ gives $$ x=5 $$.
The solutions are: 1. $$ x = 445 $$ 2. $$ x = 5 $$ 3. $$ x = 5 $$

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