a). X^{2} - 1 for X = 8 Substitute: 8^{2} - 1 Simplify: _______ |
b). 3X^{2} + 2 for X = 4 _______ |
c). 80 - X^{2} for X = 8 _______ |
d). X^{2} + X - 4 for X = 3 _______ |
a). X + X + X + X = 48 Equation: 4X = 48 X = _______ |
b). X + 2X + X + X = 30
Equation:_________________ X = ___________________ |
c). X + 2X + 2X + X = 42
Equation:_________________ X = ___________________ |
d). 3X + 5X = 64
Equation:_________________ X = ___________________ |
e). 5X - 3X = 20
Equation:_________________ X = ___________________ |
f). 2X + 6X - 3X = 35
Equation:_________________ X = ___________________ |
g). 5X - 3X + 2 = 18
Equation:_________________ X = ___________________ |
h). X + 2X + 13 - X - 8 = 23
Equation:_________________ X = ___________________ | |