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Johanna Humphrey
Mathematics
24 June, 13:16
X + 4y = 17
8x - 7y = 58
+2
Answers (
1
)
Jovany Ward
24 June, 13:30
0
Problem 1 Answer: x = 17 + - 4y
Show Work:
1) Simplifying
x + 4y = 17
2) Solving
x + 4y = 17
3) Solving for variable 'x'.
4) Move all terms containing x to the left, all other terms to the right.
5) Add '-4y' to each side of the equation.
x + 4y + - 4y = 17 + - 4y
6) Combine like terms: 4y + - 4y = 0
x + 0 = 17 + - 4y
x = 17 + - 4y
7) Simplifying
x = 17 + - 4y
Problem 2 Answer: x = 7/8y + 29/4
Step 1: Add 7y to both sides.
8x-7y+7y=58+7y
8x=7y+58
Step 2: Divide both sides by 8.
8x/8 = 7y+58/8
x = 7/8y + 24/9
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