How do you solve 3x – 2y = 26 and -7x + 3y = -49 using substitution?
1 Answer
Apr 15, 2018
Explanation:
Solve by simultaneous equations:
Rearrange
Substitute the value of
Multiply out the brackets:
Rearrange and place like terms together:
Simplify and solve for y:
Use value of y to subsitute into any of the two original equations and solve for x: