exam Maths Puzzle Numerical Ability

Please help i do not understand how to solve this equation??
x-5y=10
2x-10y=20

Read Solution (Total 0)

exam Other Question

Solving Linear Inequalities: Can you help me with this? The question is, Solve each simple linear inequality. Graph each solution on the number line provided. Example: 6x + 7 > 11 <------------>. ? How do I solve this problem? Thanks, JT. simplify the expression: sqrt(16a^4x^2)