Question

-4+x=10 is 13 the solution

Answer 1

No 13 is not the solution. Add 4 to both sides to get x by itself.
So x minus 4 plus 4 equals
X
And
10 plus 4 equals 14
So x equals 14 not 13
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Answer 2

No.

Explanation:

You are trying to solve for x. Note the equal sign, what you do to one side, you do to the other. Add 4 to both sides of the equation to isolate the variable, x:

-4 + x = 10

-4 (+4) + x = 10 (+4)

x = 10 +4

x = 14

x = 14, x ≠ 13, ∴ 13 is not a solution.

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