Step-by-step explanation:
<u>Step 1: Add 8 to both sides</u>
<u>Step 2: Multiply both sides by -4</u>
Answer:
A = 65, B = 75
x + x + 10 + 40 = 180
2x + 50 = 180
2x= 130
x = 65
=25 - 3 × 4
= 25-12= 13
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