Question

7(2x+5) = 11x-9-x

How would you verify or check your answer when x=-11 pls HELP]

Answer 1

14x+35=10x-9
14x-10x=-9-35
4x=-44
4x/4=-44/4. (-/+=-)
x=-11

Answer 2

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Answer:

put the value into the equation and do the arithmetic

Explanation:

As with any checking, you put the value where the variable is and do the arithmetic.

7(2x +5) = 11x -9 -x

For x = -11

7(2(-11) +5) = 11(-11) -9 -(-11)

7(-22 +5) = -121 -9 +11

7(-17) = -119

-119 = -119

The value x = -11 makes the equation true.