2 answers:
Answer:
<h2>10+2x=4</h2>
first, by using inverse operations subtract 10 on both sides.
<h2>10-10+2x=4-10</h2>
4-10 is -6. whys the 6 negative? because the number takes the sign of the bigge number.
<h2>2x=-6</h2>
Divide by 2 to isolate x
<h2>2x÷2=-6÷2</h2>
In multiplication and division one negative sign stays and 2 negative signs cancel eachother but here theres only one negative sign so;
~~~~~~~~~~~~~~~~
<h2>X=-3</h2>
10 + 2x = 4
-10
2x = -6
/2
x = -3
Answer: x = -3
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