Exercise algebra.manipulation.exponential.equation

Description
solve exponential equation algebraically

Derivation

51 == 5*2^(1-4*x)+11

⇒ algebra.equations.coverup.plus

40 == 5*2^(1-4*x)

⇒ algebra.equations.coverup.times

8 == 2^(1-4*x)

⇒ algebra.manipulation.exponents.factor-as-power

2^3 == 2^(1-4*x)

⇒ algebra.manipulation.exponents.equation.same-base

3 == 1-4*x

⇒ algebra.equations.coverup.onevar.minus-right

-2 == 4*x

⇒ algebra.equations.coverup.times

-1/2 == x

⇒ algebra.equations.linear.flip

x == -1/2