Determine Whether It Is True or False That the Given

question 136

True/False

Determine whether it is true or false that the given number is a solution of the equation.
--4; 7x - 2 = -30.

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Definitions:

Radiometric Dating

A method for determining the age of an object based on the decay rate of radioactive isotopes contained within it.

Half-Life

The time required for half the quantity of a radioactive substance to undergo decay or for a drug's concentration in the body to be reduced by half.

Isotope

Variants of a particular chemical element that differ in neutron number, and therefore in mass, but share the same chemical properties.

Atoms Decay

A natural process by which the nucleus of an unstable atom loses energy by emitting radiation, leading to the transformation of the atom into a different element or isotope.