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Lelechka [254]
2 years ago
13

Solve: 2x + 3 = -1 Please help me on this question :)

Mathematics
2 answers:
stepan [7]2 years ago
6 0

\large\color{pink}{{★ƢƲЄƧƬƖƠƝ↦}}\\\\

  • Solve: 2x + 3 = -1

\\\\

\large\color{pink}{{★ƛƝƧƜЄƦ ↦}}\\\\

\large\pink{\sf{↦2x + 3 =  - 1}} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\ \large\blue{\sf{↦2x =  - 1 - 3\: subtracting\: by\:3}} \\  \\ \large\orange{\sf{↦2x =  - 4} }\:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\ \large\green{\sf{↦x = \cancel  \frac{ -4}{2}  \: dividing\:by\:2} } \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\ \large\red{\sf{↦x =  - 2}} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

\orange{\rule{100mm}{3.2pt}}\sf{\:ℓσvεнαcкεя\: ♪...}

Nina [5.8K]2 years ago
4 0

Answer:

<u>x=-2</u>

Step-by-step explanation:

the while goal of this is to isolate the x on one sideso x= the answer, so

first you would want to take the 3 and subtract it from both sides giving you 2x=-4 and then you would divide the 2 to further isolate the x giving you <u>x=-2.</u>

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Factor Completely: x2 - 81 <br> A.(x-9)(x+9)<br> B.(x+9)(x+9)<br> C.(x-9)(x-9)<br> D.(9-x)(9+x)
Hunter-Best [27]

Answer is A

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Step-by-step explanation

Here ...I'm not too sure about the question as you have written

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Problem:
find line perpendicular to 4x+7y+3=0 passing through (-2,1).

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by switching the coefficients of x and y, and switching the sign of one of the two coefficients.  This way, the slope of (1) multiplied by that of the original equation is -1, a condition that the two lines are perpendicular. The value of k is to be determined from the given point (-2,1).

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=>
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