Answer:
x = -6 + , x = -6 -
Step-by-step explanation:
(x + 6)² = 7
x + 6 = + or -
x = -6 + , x = -6 -
4.2(5.1x+6.8) Simplify the expression
1 answer:
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Answer:
Your age(a) is 15 in this case.
If your brother is 1/3 of your age, that means multiply your brother's age by 3
Your sister is 9, and is 4 years older than your brother. In that case, we now know that your brother is 5
With that information, we can put this into a valid equation.
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<em>turn 1/3 into a flipped fraction, 3/1 which is equal to 3</em>
<em>your brother's age is 5, so the first value would be 5</em>
<em>5 times 3 is 15, so that means a is 15</em>
Answer:
Step-by-step explanation:
Move the g-terms to the left side. and the independent terms to the right side. Remember to change the sign if you move from one side to another.
Divide by -1 on both sides to make g positive. When it comes to dividing by negatives in inequalities, the inequality sign changes direction.