Prove that 4x-1 =11,in which the value of x=3
2 answers:
Answer:
3
Step-by-step explanation:
substitute where x=3 into the equation
so 4*3-1=11
4×3-1=11
12-2=11
11=11
proved..
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Answer:
$2
Step-by-step explanation:
Equation: 22 = 5x +12
22-12 = 5x
10 = 5x
2 = x or x = 2 (whichever)
2500 = 2x + 350
2500 - 350 = 2x
2150 = 2x
2150/2 = 2x/2
1025 = x
x = $ Todd had earned
3 is 15% of what number...
3 = 0.15x
3 / 0.15 = x
20 = x <=== 3 is 15% of 20
The answer for ten subtract three is seven
That would be 2, since 2*2=4.