Question

800 -х=198+142 , а+154=807-142​

Answer 1

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1) 198+142=340

2) 800-340=460

X=460

1) 807-142=665

2) 665-154=511

A=511

Answer 2

800-х=198+142

х=460

а+154=807-142

а=511

Answer 3

To solve the equations, let's start with the first one:

800 - x = 198 + 142

First, add 198 and 142:

800 - x = 340

Next, subtract 340 from both sides to isolate the variable x:

800 - 340 = x

Simplifying the left side:

460 = x

So the solution for the first equation is x = 460.

Now let's move on to the second equation:

a + 154 = 807 - 142

First, subtract 142 from 807:

a + 154 = 665

Next, subtract 154 from both sides to isolate the variable a:

a = 665 - 154

Simplifying the right side:

a = 511

So the solution for the second equation is a = 511.