exam Maths Puzzle Numerical Ability

i need step by step solution using elimination method,thank u

3x+4y=-15
3x+6y=-21

Read Solution (Total 0)

exam Other Question

How do I use the quadratic formula to solve: 1.4x^2-2x-10=0 Factor 2x^3y^2 - 10x^2y + 12xy completely and include all factors in your answer.

SHOW ALL WORK
THANK YOU