To solve this system of equations using substitution, what could be substituted in place of y in the first equation?
4x=5-2y
y-2x = 7
OA 7-21
B. 41 - 5
• D. 20 +7

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

step-by-step explanation:

first you will have to convert 3/4 into a decimal

which is .75

then you will have to divide 1.5 by .75

which is 2

no you have to divide

it is true

step-by-step explanation:

all the combinations add up i used   calculator

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