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lapo4ka [179]
2 years ago
9

Look at the equation 4x - 8.4 = 2x + 5. The terms 4x and 2x are like terms

Mathematics
1 answer:
xz_007 [3.2K]2 years ago
3 0

In form ax + b = c: 2x - 8.4 = 5

Solution to equation: x = 6.7

Step-by-step explanation:

4x - 8.4 = 2x + 5

2x - 8.4 = 5

2x = 13.4

x = 6.7

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One number is 23 more than another. If the sum of the two numbers is 163, find the two numbers.
kipiarov [429]

ANSWER

93 and 70

EXPLANATION

We have that one number is 23 more than another.

Let the first number be x.

Let the second number be y.

This means that:

x = 23 + y ____(1)

The sum of the two numbers is 163. This means that:

x + y = 163 ____(2)

Put (1) in (2):

23 + y + y = 163

23 + 2y = 163

2y = 163 - 23

2y = 140

y = 140 / 2

y = 70

From (1):

x = 23 + 70

x = 93

The two numbers are 93 and 70.

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1 year ago
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4 0
2 years ago
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5 0
2 years ago
Which expression can you substitute in the indicated equation to solve 3x − y = 5, x + 2y = 4 ?
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2 years ago
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