yes i meant (2x+1)/5 and therefore that is h ow i got -3/5, finding it hard to follow Marth's working now since it is a completely different set of working.
yes, it is -3/5
3a-2b=12
2a+b=1
Multiply eq 2 by 2
4a+2b=2
Eliminate b by subtracting eq (1) from (3)
4a+2b=1
3a-2b=12
a= -11
Am i going right so far?
To find the value of x that makes the expression (2x + 1)/5 equal to -3/5, you can follow the steps below:
1. Write the equation: (2x + 1)/5 = -3/5
2. Multiply both sides of the equation by 5 to eliminate the denominator: 5 * [(2x + 1)/5] = 5 * (-3/5)
This simplifies to: 2x + 1 = -3
3. Subtract 1 from both sides of the equation to isolate the term with x: 2x + 1 - 1 = -3 - 1
This simplifies to: 2x = -4
4. Divide both sides of the equation by 2 to solve for x: (2x)/2 = -4/2
This simplifies to: x = -2
Therefore, the value of x that makes the expression (2x + 1)/5 equal to -3/5 is x = -2.