Question

solve the equation and check.
x - 1.3 = 2.9
select the correct choice below and, if necessary, fill in the answer box to complete your choice.
a. the solution is
(type an integer or a decimal.)
b. the solution is all real numbers.
c. there is no solution.

Explanation:

Step1: Isolate x by adding 1.3

$x - 1.3 + 1.3 = 2.9 + 1.3$

Step2: Calculate the sum

$x = 4.2$

Step3: Verify the solution

Substitute $x=4.2$ into original equation: $4.2 - 1.3 = 2.9$, which is true.

Answer:

A. The solution is 4.2