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2 years ago

Julie started solving the equation 3x=4+2(3−x). Which is a correct next step?

Mathematics

2 answers:

Ganezh [65]2 years ago

8 0

Answer:

<h3>Expand 2(3-x)</h3>

Step-by-step explanation:

$3x=4+2(3-x)$

Next step :Expand

$2(3-x) = 6-2x\\\\3x =4+6-2x$

Further solving : Collect like terms

$3x +2x=4+6\\\\\\Simplify\\5x =10$

Divide both sides of the equation by 5

$\frac{5x}{5} = \frac{10}{5} \\\\Simplify\\\\x =2$

sp2606 [1]2 years ago

6 0

Answer:

She needs to solve the equation in the parenthesis.

Step-by-step explanation

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15. $\frac{cotx+1}{cotx-1} = \frac{cotx+cotx.tanx}{cotx-cotx.tanx} = \frac{cotx(1+tanx)}{cotx(1-tanx)} = \frac{1+tanx}{1-tanx} \\$

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22. Do the same (21)

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