4 years ago

What is a correct first step for solving this equation x+7=2x+5-4x

Mathematics

2 answers:

SOVA2 [1]4 years ago

8 0

Answer:

2x+4x=6x

Step-by-step explanation:

lesya692 [45]4 years ago

6 0

Answer:

Combing like terms.

Step-by-step explanation:

If there are like terms with a variable, you should combine them to make the problem more easier.

$2x-4x = -2x$

$x + 7=-2x+5$

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The angle measurement in the diagram are represented by the following expressions.

8_murik_8 [283]

Answer:

x = 9 and ∠ B = 40°

Step-by-step explanation:

See the diagram given with the question first.

Here we have ∠ A = ∠ B {They are corresponding angles}

Now, it is given that ∠ A = 5x - 5 and ∠ B = 3x + 13

Hence, 5x - 5 = 3x + 13

⇒ 2x = 18

⇒ x = 9

Therefore, ∠ B = 3x + 13 = 3(9) + 13 = 40° (Answer)

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4 years ago

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Step-by-step explanation:

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2 years ago

A. Identify which of the following points: (2,-5),(4,1),(3, 3),(6,3) are solutions of the linear equation: 2x - y = Graph each p

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Step-by-step explanation:

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3 years ago

A science class has 3 girls and 1 boy in the seventh grade and 5 girls and 5 boys in the eighth grade. the teacher randomly sele

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In the science class,
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