Basic equations

x + 98 = 134

• x + 98 - 98 = 134 + 98

  x = 232

• x + 98 + 98 = 134 - 98

  x - 196 = 36

• x + 98 - 98 = 134 - 98

  x = 36

• x + 98 +98 = 134 - 98

  x = 196

x + 45 = 76

• x + 45 - 45 = 76 + 45

  x = 121

• x + 45 - 45 = 76 - 45

  x = 31

• x +45 + 45 = 76 + 45

  x = 121

• x + 45 + 45 = 76 + 76

  90 = 152

x - 34 = 85

• x - 34 - 34 = 85 -34

  x = 51

• x - 34 + 34 = 85 - 34

  x = 51

• x - 34 + 34 = 85 + 34

  x = 119

• x -34 + 34 = 85 + 85

  x = 170

x - 65 = 49

• x - 65 - 65 = 49 -65

  x = -16

• x - 65 + 65 = 49 - 65

  x = -16

• x - 65 + 65 = 49 + 49

  x = 89

• x -65 + 65 = 49 + 65

  x = 114

15x = 450

• $\frac{15x}{15}=\frac{450}{15}$
  5x = 30

• $\frac{15x}{5}=\frac{450}{5}$
  3x = 90

• $\frac{15x}{15}=\frac{450}{15}$
  x = 30

• $\frac{15x}{15}\ =\ 450$
  x = 450

9x = 216

• $\frac{9x}{9x}=\frac{216}{9x}$
  x = 24x

• $\frac{9x}{9}=\frac{216}{9}$
  x = 24

• $\frac{9x\ }{3}=\frac{216}{216}$
  3x = 1

• $\frac{9x}{9}=\frac{216}{9x}$
  x = 24x

 $x\ \div\ 4\ =63$  

•  $\frac{4}{x\ }=63$  
   $\left(4\right)\ \frac{4}{x}=63\ \left(4\right)$  
  x = 252

•  $\frac{x}{4}=63$  
   $\left(63\right)\ \frac{x}{4}=63\ \left(63\right)$  
  x = 3969

•  $\frac{x}{4}\ =\ 63$  
   $\left(4\right)\ \frac{x}{4}\ =\ 63\ \left(4\right)$  
  x = 252

•  $\frac{4}{x}=63$  
   $\left(4\right)\ \frac{4}{x}\ =\ 63\ \left(63\right)$  
  x = 3969

 $x\ \div5\ =\ 75$  

•  $\frac{5}{x}=\ 75$  
   $\left(x\right)\ \frac{5}{x}\ =\ 75\ \left(5\right)$  
   $x=\ 375$  
  

•  $\frac{x}{5}\ =\ 75$ 
    $\left(5\right)\ \frac{x}{5}=75\ \left(5\right)$  
  x = 375

•  $\frac{x}{5}\ =\ 75$  
   $\left(5\right)\ \frac{5}{x}=75\ \left(75\right)$  
  x = 5625

•  $\frac{x}{5}=\ 75$  
   $\left(75\right)\ \frac{x}{5}=75\ \left(5\right)$  
  15x = 375