exam
Maths Puzzle
Numerical Ability
2 (x+4)= 3x
Just looking for an example close to this.
I got as far as...
2x + 8 = 3x
then do I subtract 2x from each side or 8?
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exam Other Question
Simplify. Assume x represents a positive number.
square root of 45x^4
Solve by substitution.
2x+5y=23
y=3x+8