product means multiplication.
y + z 3 doesnt make any sense.
please re-ask question but more clearly. you can message me on my message board if you have any questions.
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As an expression it is: 8z+6.5y
x + y + z = x + z + y is the commutative property of addition.
True
3x + 2 = 82
x + 1 = y y + 3 = z z = y + 3 = (x + 1) + 3 = x + 4 Or: x = y - 1 = (z - 3) - 1 = z - 4 Which results in the same: x exceeds z by 4.