Add and Subtract One-Step Equations and Word Problems

What is a variable?

• A symbol or letter representing an unknown number

• The opposite of a given operation

• addition

• Getting the variable by itself

What is an inverse operation?

• A symbol or letter representing an unknown number

• The opposite of a given operation

• addition

• Getting the variable by itself

x - 200 = 43

• 243

• 324

• x

• 250

y + 46 = 1987

• 1941

• 1492

• 1914

• 1944

q - 52 = 14

• 66

• 72

• 64

• 62

k - 48 = 100

• 148

• 52

• 184

• 144

k + 0 = 148

• 186

• 148

• 120

• 147

v - 75 = 250

• 325

• 235

• 330

• 345

134 + y = 262

• 128

• 182

• 281

• 132

y + 1685 = 3097

• 1412

• 1214

• 1124

• 1416