1. $$ 2 x+7=15 $$ 2. $$ 3 y-5=10 $$ 3. 4. 4 $$ 6 b-1=-11=9 $$ 5. $$ 5 c+8=3 $$

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Solve the equation $$ 2x+7=15 $$.
Solve the equation by following steps:
- step0: Solve for $$x$$:
  $$2x+7=15$$
- step1: Move the constant to the right side:
  $$2x=15-7$$
- step2: Subtract the numbers:
  $$2x=8$$
- step3: Divide both sides:
  $$\frac{2x}{2}=\frac{8}{2}$$
- step4: Divide the numbers:
  $$x=4$$
Solve the equation $$ 3y-5=10 $$.
Solve the equation by following steps:
- step0: Solve for $$y$$:
  $$3y-5=10$$
- step1: Move the constant to the right side:
  $$3y=10+5$$
- step2: Add the numbers:
  $$3y=15$$
- step3: Divide both sides:
  $$\frac{3y}{3}=\frac{15}{3}$$
- step4: Divide the numbers:
  $$y=5$$
Solve the equation $$ 6b-1=-11 $$.
Solve the equation by following steps:
- step0: Solve for $$b$$:
  $$6b-1=-11$$
- step1: Move the constant to the right side:
  $$6b=-11+1$$
- step2: Add the numbers:
  $$6b=-10$$
- step3: Divide both sides:
  $$\frac{6b}{6}=\frac{-10}{6}$$
- step4: Divide the numbers:
  $$b=-\frac{5}{3}$$
Solve the equation $$ 5c+8=3 $$.
Solve the equation by following steps:
- step0: Solve for $$c$$:
  $$5c+8=3$$
- step1: Move the constant to the right side:
  $$5c=3-8$$
- step2: Subtract the numbers:
  $$5c=-5$$
- step3: Divide both sides:
  $$\frac{5c}{5}=\frac{-5}{5}$$
- step4: Divide the numbers:
  $$c=-1$$
The solutions to the given equations are:
1. $$2x+7=15$$ has the solution $$x=4$$.
2. $$3y-5=10$$ has the solution $$y=5$$.
3. $$6b-1=-11$$ has the solution $$b=-\frac{5}{3}$$ or $$b=-1.6$$.
4. $$5c+8=3$$ has the solution $$c=-1$$.
The solutions are: 1. $$ x = 4 $$ 2. $$ y = 5 $$ 3. $$ b = -\frac{5}{3} $$ or $$ b = -1.6 $$ 4. $$ c = -1 $$

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