দুই চলকবিশিষ্ট রাশিমালার মান নির্ণয়

$\phantom{=}10 + 2\blueD p - 3\goldD r$empty space, 10, plus, 2, start color #11accd, p, end color #11accd, minus, 3, start color #e07d10, r, end color #e07d10

$=10 + 2\cdot\blueD 4 - 3 \cdot \goldD5$equals, 10, plus, 2, dot, start color #11accd, 4, end color #11accd, minus, 3, dot, start color #e07d10, 5, end color #e07d10

$=10 + 8 - 15$equals, 10, plus, 8, minus, 15

$=3$equals, 3