Is 4s + 2 = 18 an expression, an equation or an identity?
Expression
Equation
Identity
Is 3c ≡ 2c + c an expression, equation or identity?
Solve 4b + 7 = 43
b = 9
b = 10
b = 12.5
Solve 12 = 3x + 2
\[x = \frac{10}{3}\]
x = 3
\[x = \frac{14}{3}\]
Solve 3(2y - 5) = 9
\[y = \frac{14}{6}\]
y = 4
y = -1
Solve 18 = 4(1 - 2k)
\[k = {-\frac{11}{4}}\]
\[k = \frac{4}{7}\]
\[k = {-\frac{7}{4}}\]
Solve 3j + 2 = 5j - 4
j = 3
j = -1
j = 2
Solve 11 - 2v = 3 - 4v
v = -2
v = 3
v = -4
Solve \(\frac{5p}{2} = 15\)
p = 5
p = 6
p = 7
Solve \(\frac{7d}{4} - 2 = -9\)?
\[d = {-\frac{44}{7}}\]
d = -4
\[d = {-\frac{34}{7}}\]