2x+29=5x+20 solve for x. x=???????
1 answer:
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Answer:
A
Step-by-step explanation:
Given
= 13x
Multiply both sides by 2 to clear the fraction on the left side
x + 50 = 26x ( subtract x from both sides )
50 = 25x ( divide both sides by 25 )
2 = x ⇒ x = 2 → A
Answer:
Step-by-step explanation:
3x + 5y = 2 (times 5) 15x + 25y = 10
5x + 8y = 4 (times 3) 15x + 24y = 12
.
15x + 25y = 10
<u>15x + 24y = 12 </u> <u> </u>
y = -2
.
Substitute the value of y to one of equations
3x + 5y = 2
3x + 5(-2) = 2
3x - 10 = 2
3x = 2 + 10
3x = 12
x = 4