mangoqueen21
Answered

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CL 1-87 Solve each equation. Check your solution.

A) 3x - 1 = 4x + 8 - x B) -10 + 5x = 7x - 4

C) 28 - 6x + = 30 - 3x D) 4x - 1 = 9x - 1 - 5x

Sagot :

Yang100

Answer:

Step-by-step explanation:

A) 3x-1=4x+8-x

3x-4x-(-x)-1=8

3x-4x+x=8-1

-x+x=8-1

0=7

no solution

Answer: No Solution

---------------------------

B) -10+5x=7x-4

-10+5x-7x=-4

-10-2x=-4

2x=-10-(-4)

2x=-10+4

2x=-6

x=-6/2

x=-3

Answer: x=-3

----------------------

C) 28-6x=30-3x

28-6x-(-3x)=30

28-6x+3x=30

28-3x=30

3x=28-30

3x=-2

x=-2/3

Answer: x=-2/3

----------------------

D) 4x-1=9x-1-5x

4x-9x-(-5x)=-1+1

-5x-(-5x)=0

-5x+5x=0

0=0

Infinitely many solutions.

Answer: Infinitely many solutions.

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