2 years ago

What is 5 + 2x + 7 + 4x

1 answer:

Aneli [31]2 years ago

3 0

Answer:

12+8x

Step-by-step explanation:

By adding together alike values, 5 and 7, and 2x and 4x, you get 12+8x.

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MaRussiya [10]

Hello,

You have to know this property:

$(x^{a})^b=x^{a*b}\\\\We have:\\\\(10^6)^x=10^{-18}\\\\So:\\ \\ 6*x=-18 \\ x= \frac{-18}{6} \\ \boxed{x=-3}$

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3 years ago

motikmotik

It's multiplying by two

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3 years ago

Reptile [31]

The property that is applied in $7m+4=35+4$ is addition property of equality

Given :

$If \; 7m=35, then \; 7m+4=35+4$

From the above equation we can see that 4 is added at the both sides of the equation .

we can add same number at the both sides of the equation to balance the equation . That is called as addition property of equality

Here , 4 is added on both sides of the equality to balance the equation .

So , addition property of equality is applied .

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Step-by-step explanation:

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inna [77]

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3 years ago