neylabaker7489
02.02.2020 •
Mathematics
What number solves this equation -10=2a-4
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Ответ:
Add 4 to both sides
-10 + 4 = 2a
Simplify -10 + 4 to -6
-6 = 2a
Divide both sides by 2
-6/2 = a
Simplify 6/2 to 3
-3 = a
Switch sides
a = -3
Ответ:
Step-by-step explanation:
x×x=x²
2×x=2x
2×x=2x
2×2=4
Add like terms to make the equation:
So: