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expeople1 [14]
3 years ago
5

Solve the equation : 3x - 2 = 4x + 5How many solutions are there?​

Mathematics
2 answers:
Nookie1986 [14]3 years ago
8 0

Answer:

one solution

Step-by-step explanation:

Given

3x - 2 = 4x + 5 ( subtract 4x from both sides )

- x - 2 = 5 ( add 2 to both sides )

- x = 7 ( multiply both sides by - 1 )

x = - 7 ← the one solution

VARVARA [1.3K]3 years ago
4 0

Answer:

<h2>one solution, x = -7</h2>

Step-by-step explanation:

3x-2=4x+5\qquad\text{add 2 to both sides}\\\\3x-2+2=4x+5+2\\\\3x=4x+7\qquad\text{subtract}\ 4x\ \text{from both sides}\\\\3x-4x=4x-4x+7\\\\-x=7\qquad\text{change the signs}\\\\x=-7

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