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Iteru [2.4K]
3 years ago
7

(PLEASE HELP) Which value of x makes this equation true -90=-100+x

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
8 0

Answer:

-0.9

Step-by-step explanation:

-0.9 × 100 = -90

Mariulka [41]3 years ago
4 0

answer : -90 = -100+x → x = 10

explanation : to solve for x, you are simplifying both sides of the equation, then isolating the variable.

step 1 : move the variable to the left-hand side and change its sign.

ex : -90-x = -100

step 2 : move the constant to the right-hand side and change its sign.

ex : -x = -100+90

step 3 : calculate the sum

ex : -x = -10

step 4 : change the signs on both sides of the equation

ex : x = 10

solution : x=10

hope this helps !

- audrey ♡

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