The awnser to this problem is like 1007
Addition Property of Equality
Step-by-step explanation:
The equations are given as;
2x+2y=14----(i)
y-x=5 ?-------apply addition property of equality
y-x+x=5+x
y=5+x -------use this expression in equation (i)
2x +2(5+x)=14 ----------open brackets on the left side
2x+10+2x=14 -------collect like terms
4x+10=14
4x=14-10
4x=4
4x/4=4/4
x=1
y-1=5
y=6
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Addition property of Equality :brainly.com/question/3474035
Keywords: proof,shows, equivalent,system of equations
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Answer:
2 solutions, one positive and one negative
Step-by-step explanation:
A positive times a positive is always positive and a negative times a negative is always positive. Example square root of 9 is -3 and 3. 3x3=9 and -3 x -3= 9