2x-y=-10 y=4 what is the solution

x=-3

y=4

Step-by-step explanation:

2x-y=-10

y=4

Substitute y = 4 into the first equation

2x-(4) = -10

2x -4 = -10

Add 4 to each side

2x-4+4 = -10+4

2x = -6

Divide each side by 2

2x/2 = -6/2

x =-3

infinitely many solutions

step-by-step explanation:

we have been given the equation;

2(2x + 3) = -4 + 2(2x + 5)

we need to determine the value of x.

2(2x + 3), we expand this expression to obtain 4x + 6

similarly 2(2x + 5) will become 4x + 10

now we have;

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 10 - 4

4x + 6 = 4x + 6

the expression on the left hand side is identical to the one on the right hand side. therefore, we are looking at just a single straight line whose equation is;

y = 4x + 6

consequently, we shall have infinitely many solutions

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