exam Maths Puzzle Numerical Ability

1. How are addition and multiplication used to solve a linear equation? Demonstrate by solving "15x + 7 = 31 + 3x"

2. Translate the following into a system of equations, th

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exam Other Question

Multiply, using the vertical method.

(2r - 3s)(4r^2 + 6rs + 9s^2) can you please assist me solving the problem...instructions...

a triangle has sides 3x + 7, 4x - 9, and 5x + 6. find the polynomial that represents its perimeter.