It's 35<21-n because 35 is less that 21 and an unknown number
Answer:
Given: ......[1]
To prove : x =78
Subtraction property states that you subtract the same number to both sides of an equation.
Subtract 2 from both sides of an equation [1];
Simplify:
......[2]
Multiplication property states that you multiply the same number to both sides of an equation.
Multiply 6 to both sides of an equation [2];
Simplify:
proved!
Statement Reason
1. Given
2. Subtraction property of equality
3. Multiplication property of equality
Answer:
5 f
Re-order terms so that constants are on the left
. 5
5 f
solution
5 f
Answer:
23
hope it helped you!!
BTW, angle 1 + angle 2 = 180