Question

5a-2b=14 2a+2b=14

Answer 1

Are these to be solved simultaneously? Add them

5a-2b=14
2a+2b=14
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7a = 28
a = 4. Then using 2a+2b=14, substitute a = 4 and solve for b
2*4 + 2b = 14 and b = (14-8)/2 = 3