Asked by Carl
Solve by addition or substitution;
10x + 2y = 7
y= -5 + 3
10x + 2y = 7
y= -5 + 3
Answers
Answered by
Emily
Substitute y in the first equation with the second equation.
10x + 2(-5+ 3) = 7
10x + -10 + 6 = 7
10x - 4 = 7
10x = 11
x = (11/10), or 1.1
Did I explain it well enough?
:)
10x + 2(-5+ 3) = 7
10x + -10 + 6 = 7
10x - 4 = 7
10x = 11
x = (11/10), or 1.1
Did I explain it well enough?
:)
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